今日のdocker error: RStudio （解決）->ファイルエラー等

# 今日のdocker error
Using the rocker/rstudio container
https://hub.docker.com/r/rocker/rstudio

ついつい、書いてあることと違うことをした。

```macOS:bash
$ docker run --rm -p 8787:8787  rocker/rstudio -it /bin/bash
Unable to find image 'rocker/rstudio:latest' locally
latest: Pulling from rocker/rstudio
a70d879fa598: Pull complete 
c4394a92d1f8: Pull complete 
10e6159c56c0: Pull complete 
833bebb909e4: Pull complete 
9bceb8b50184: Pull complete 
e925a327b30d: Pull complete 
01c3425e0ade: Pull complete 
Digest: sha256:109863d20ff03446fa87aad09004d307c2795d8f62054f34805aa16a0a25518d
Status: Downloaded newer image for rocker/rstudio:latest
docker: Error response from daemon: OCI runtime create failed: container_linux.go:349: starting container process caused "exec: \"-it\": executable file not found in $PATH": unknown.
```

みごとにエラッた。

```macs:bash
$ docker run --rm -p 8787:8787  rocker/rstudio
[s6-init] making user provided files available at /var/run/s6/etc...exited 0.
[s6-init] ensuring user provided files have correct perms...exited 0.
[fix-attrs.d] applying ownership & permissions fixes...
[fix-attrs.d] done.
[cont-init.d] executing container initialization scripts...
[cont-init.d] userconf: executing... 

ERROR: You must set a unique PASSWORD (not 'rstudio') first! e.g. run with:
docker run -e PASSWORD=<YOUR_PASS> -p 8787:8787 rocker/rstudio

[cont-init.d] userconf: exited 1.
[cont-init.d] done.
[services.d] starting services
[services.d] done.

^C

[cont-finish.d] executing container finish scripts...
[cont-finish.d] done.
[s6-finish] waiting for services.
[s6-finish] sending all processes the TERM signal.
[s6-finish] sending all processes the KILL signal and exiting.
```

パスワード省略してもいいって書いてなかったっけ。

```
$ docker run --rm -p 8787:8787 -e PASSWORD=password  rocker/rstudio 
[s6-init] making user provided files available at /var/run/s6/etc...exited 0.
[s6-init] ensuring user provided files have correct perms...exited 0.
[fix-attrs.d] applying ownership & permissions fixes...
[fix-attrs.d] done.
[cont-init.d] executing container initialization scripts...
[cont-init.d] userconf: executing... 
[cont-init.d] userconf: exited 0.
[cont-init.d] done.
[services.d] starting services
[services.d] done.
26 Apr 2021 12:16:28 [rserver] ERROR system error 2 (No such file or directory) [description: User not found., user-value: user-value]; OCCURRED AT rstudio::core::Error rstudio::core::system::User::Impl::populateUser(rstudio::core::system::User::Impl::GetPasswdFunc<T>&, T) [with T = const char*  rstudio::core::system::User::Impl::GetPasswdFunc<T> = std::function<int(const char*, passwd*, char*, long unsigned int, passwd**)>] src/cpp/shared_core/system/User.cpp:68; LOGGED FROM: std::__cxx11::string rstudio::server::pam_auth::{anonymous}::userIdentifierToLocalUsername(const string&) src/cpp/server/ServerPAMAuth.cpp:96
```

Docker でユーザ名を指定してコンテナを起動する
https://qiita.com/syoyo/items/6fa6597b7a6625000e33

```macOS:bash
$ docker run --rm -p 8787:8787 -u kiyoshi -e PASSWORD=password  rocker/rstudio 
docker: Error response from daemon: unable to find user kiyoshi: no matching entries in passwd file.
```

>Visit localhost:8787 in your browser and log in with username rstudio and the password you set. NB: Setting a password is now REQUIRED. Container will error otherwise.

あ、userはrstudioだって書いてあった。


![rstudio.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/51423/c38dafa5-0baa-8176-3b1b-7ac6d14444ab.png)

入れた。ありがと。

# ファイルエラー

「「Rによる機械学習」の勉強履歴（1）」後追い
https://qiita.com/kaizen_nagoya/items/68170a86b1b3dd5e596b

第3章のファイルを読み込んで Runしたら

```
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file 'wisc_bc_data.csv': No such file or directory
```

ファイルはあるのに。

![rstudio2.png](https://qiita-image-store.s3.ap-northeast-1.amazonaws.com/0/51423/5bfab19b-c097-a400-aae9-ed417d8c5367.png)

R ScriptやR Markdownからinstall.packages()を呼び出す場合はレポジトリを指定しないとエラーになる
https://qiita.com/maech/items/03b9566fb0fe940e1736

第４章でも、

```
> # read the sms data into the sms data frame
> sms_raw <- read.csv("sms_spam.csv", stringsAsFactors = FALSE)
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file 'sms_spam.csv': No such file or directory
```

# library 

第4章のライブラリは大きかった。無事導入。

```
** Installing R Packages: 'e1071', 'SnowballC', 'tm', 'wordcloud'
[1/11] Installing proxy...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/proxy_0.4-25.tar.gz'
Content type 'binary/octet-stream' length 251003 bytes (245 KB)
==================================================
downloaded 245 KB

[2/11] Installing e1071...
* installing *binary* package ‘proxy’ ...
* DONE (proxy)

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/e1071_1.7-6.tar.gz'
Content type 'binary/octet-stream' length 919381 bytes (897 KB)
==================================================
downloaded 897 KB

[3/11] Installing SnowballC...
* installing *binary* package ‘e1071’ ...
* DONE (e1071)

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/SnowballC_0.7.0.tar.gz'
Content type 'binary/octet-stream' length 631384 bytes (616 KB)
==================================================
downloaded 616 KB

* installing *binary* package ‘SnowballC’ ...
* DONE (SnowballC)
[4/11] Installing NLP...

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/NLP_0.2-1.tar.gz'
Content type 'binary/octet-stream' length 384436 bytes (375 KB)
==================================================
downloaded 375 KB

* installing *binary* package ‘NLP’ ...
* DONE (NLP)

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
[5/11] Installing Rcpp...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/Rcpp_1.0.6.tar.gz'
Content type 'binary/octet-stream' length 4150785 bytes (4.0 MB)
==================================================
downloaded 4.0 MB

* installing *binary* package ‘Rcpp’ ...
* DONE (Rcpp)
[6/11] Installing slam...

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/slam_0.1-48.tar.gz'
Content type 'binary/octet-stream' length 221661 bytes (216 KB)
==================================================
downloaded 216 KB

[7/11] Installing xml2...
* installing *binary* package ‘slam’ ...
* DONE (slam)

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/xml2_1.3.2.tar.gz'
Content type 'binary/octet-stream' length 616796 bytes (602 KB)
==================================================
downloaded 602 KB

* installing *binary* package ‘xml2’ ...
* DONE (xml2)
[8/11] Installing BH...

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/BH_1.75.0-0.tar.gz'
Content type 'binary/octet-stream' length 11877438 bytes (11.3 MB)
==================================================
downloaded 11.3 MB

* installing *binary* package ‘BH’ ...
* DONE (BH)
[9/11] Installing tm...

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/tm_0.7-8.tar.gz'
Content type 'binary/octet-stream' length 1440316 bytes (1.4 MB)
==================================================
downloaded 1.4 MB

[10/11] Installing RColorBrewer...
* installing *binary* package ‘tm’ ...
* DONE (tm)

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/RColorBrewer_1.1-2.tar.gz'
Content type 'binary/octet-stream' length 52761 bytes (51 KB)
==================================================
downloaded 51 KB

* installing *binary* package ‘RColorBrewer’ ...
* DONE (RColorBrewer)
[11/11] Installing wordcloud...

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/wordcloud_2.6.tar.gz'
Content type 'binary/octet-stream' length 448713 bytes (438 KB)
==================================================
downloaded 438 KB

* installing *binary* package ‘wordcloud’ ...
* DONE (wordcloud)

The downloaded source packages are in
	‘/tmp/RtmpIKZJLE/downloaded_packages’


✔ Packages successfully installed.
```

##
第5章

```
** Installing R Packages: 'C50', 'OneR', 'RWeka'
[1/7] Installing partykit...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependencies ‘libcoin’, ‘mvtnorm’, ‘Formula’, ‘inum’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/libcoin_1.0-8.tar.gz'
Content type 'binary/octet-stream' length 1052493 bytes (1.0 MB)
==================================================
downloaded 1.0 MB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/mvtnorm_1.1-1.tar.gz'
Content type 'binary/octet-stream' length 262905 bytes (256 KB)
==================================================
downloaded 256 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/Formula_1.2-4.tar.gz'
Content type 'binary/octet-stream' length 175098 bytes (170 KB)
==================================================
downloaded 170 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/inum_1.0-4.tar.gz'
Content type 'binary/octet-stream' length 36473 bytes (35 KB)
==================================================
downloaded 35 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/partykit_1.2-13.tar.gz'
Content type 'binary/octet-stream' length 2425357 bytes (2.3 MB)
==================================================
downloaded 2.3 MB

* installing *binary* package ‘mvtnorm’ ...
* DONE (mvtnorm)
* installing *binary* package ‘Formula’ ...
* DONE (Formula)
* installing *binary* package ‘libcoin’ ...
* DONE (libcoin)
* installing *binary* package ‘inum’ ...
* DONE (inum)
[2/7] Installing Cubist...
* installing *binary* package ‘partykit’ ...
* DONE (partykit)

The downloaded source packages are in
	‘/tmp/Rtmpe0fskr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependencies ‘glue’, ‘magrittr’, ‘stringi’, ‘plyr’, ‘stringr’, ‘reshape2’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/glue_1.4.2.tar.gz'
Content type 'binary/octet-stream' length 144331 bytes (140 KB)
==================================================
downloaded 140 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/magrittr_2.0.1.tar.gz'
Content type 'binary/octet-stream' length 232440 bytes (226 KB)
==================================================
downloaded 226 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/stringi_1.5.3.tar.gz'
Content type 'binary/octet-stream' length 2902983 bytes (2.8 MB)
==================================================
downloaded 2.8 MB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/plyr_1.8.6.tar.gz'
Content type 'binary/octet-stream' length 1153520 bytes (1.1 MB)
==================================================
downloaded 1.1 MB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/stringr_1.4.0.tar.gz'
Content type 'binary/octet-stream' length 204624 bytes (199 KB)
==================================================
downloaded 199 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/reshape2_1.4.4.tar.gz'
Content type 'binary/octet-stream' length 537015 bytes (524 KB)
==================================================
downloaded 524 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/Cubist_0.2.3.tar.gz'
Content type 'binary/octet-stream' length 649064 bytes (633 KB)
==================================================
downloaded 633 KB

* installing *binary* package ‘glue’ ...
* DONE (glue)
* installing *binary* package ‘magrittr’ ...
* DONE (magrittr)
* installing *binary* package ‘stringi’ ...
* DONE (stringi)
* installing *binary* package ‘plyr’ ...
* DONE (plyr)
* installing *binary* package ‘stringr’ ...
* DONE (stringr)
* installing *binary* package ‘reshape2’ ...
* DONE (reshape2)
[3/7] Installing C50...
* installing *binary* package ‘Cubist’ ...
* DONE (Cubist)

The downloaded source packages are in
	‘/tmp/Rtmpe0fskr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/C50_0.1.3.1.tar.gz'
Content type 'binary/octet-stream' length 604693 bytes (590 KB)
==================================================
downloaded 590 KB

* installing *binary* package ‘C50’ ...
* DONE (C50)
[4/7] Installing OneR...

The downloaded source packages are in
	‘/tmp/Rtmpe0fskr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/OneR_2.2.tar.gz'
Content type 'binary/octet-stream' length 106149 bytes (103 KB)
==================================================
downloaded 103 KB

[5/7] Installing RWekajars...
* installing *binary* package ‘OneR’ ...
* DONE (OneR)

The downloaded source packages are in
	‘/tmp/Rtmpe0fskr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependency ‘rJava’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rJava_0.9-13.tar.gz'
Content type 'binary/octet-stream' length 933124 bytes (911 KB)
==================================================
downloaded 911 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/RWekajars_3.9.3-2.tar.gz'
Content type 'binary/octet-stream' length 10028473 bytes (9.6 MB)
==================================================
downloaded 9.6 MB

* installing *binary* package ‘rJava’ ...
* DONE (rJava)
[6/7] Installing rJava...
* installing *binary* package ‘RWekajars’ ...
* DONE (RWekajars)

The downloaded source packages are in
	‘/tmp/Rtmpe0fskr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rJava_0.9-13.tar.gz'
Content type 'binary/octet-stream' length 933124 bytes (911 KB)
==================================================
downloaded 911 KB

* installing *binary* package ‘rJava’ ...
[7/7] Installing RWeka...
* DONE (rJava)

The downloaded source packages are in
	‘/tmp/Rtmpe0fskr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/RWeka_0.4-43.tar.gz'
Content type 'binary/octet-stream' length 626084 bytes (611 KB)
==================================================
downloaded 611 KB

* installing *binary* package ‘RWeka’ ...
* DONE (RWeka)

The downloaded source packages are in
	‘/tmp/Rtmpe0fskr/downloaded_packages’


✔ Packages successfully installed.
```

第６章

```
** Installing R Packages: 'psych', 'rpart.plot'
[1/3] Installing mnormt...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependency ‘tmvnsim’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/tmvnsim_1.0-2.tar.gz'
Content type 'binary/octet-stream' length 25085 bytes (24 KB)
==================================================
downloaded 24 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/mnormt_2.0.2.tar.gz'
Content type 'binary/octet-stream' length 187894 bytes (183 KB)
==================================================
downloaded 183 KB

* installing *binary* package ‘tmvnsim’ ...
* DONE (tmvnsim)
[2/3] Installing psych...
* installing *binary* package ‘mnormt’ ...
* DONE (mnormt)

The downloaded source packages are in
	‘/tmp/Rtmpxk6aTn/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/psych_2.1.3.tar.gz'
Content type 'binary/octet-stream' length 4093812 bytes (3.9 MB)
==================================================
downloaded 3.9 MB

* installing *binary* package ‘psych’ ...
* DONE (psych)
[3/3] Installing rpart.plot...

The downloaded source packages are in
	‘/tmp/Rtmpxk6aTn/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rpart.plot_3.0.9.tar.gz'
Content type 'binary/octet-stream' length 1012900 bytes (989 KB)
==================================================
downloaded 989 KB

* installing *binary* package ‘rpart.plot’ ...
* DONE (rpart.plot)

The downloaded source packages are in
	‘/tmp/Rtmpxk6aTn/downloaded_packages’


✔ Packages successfully installed.
```

実行はエラー：ファイルあるのに。

```
> ## Understanding regression ----
> ## Example: Space Shuttle Launch Data ----
> launch <- read.csv("challenger.csv")
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file 'challenger.csv': No such file or directory
```

第７章

```
** Installing R Packages: 'kernlab', 'neuralnet'
[1/3] Installing kernlab...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/kernlab_0.9-29.tar.gz'
Content type 'binary/octet-stream' length 2525692 bytes (2.4 MB)
==================================================
downloaded 2.4 MB

* installing *binary* package ‘kernlab’ ...
* DONE (kernlab)
[2/3] Installing Deriv...

The downloaded source packages are in
	‘/tmp/RtmpHUOv86/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/Deriv_4.1.3.tar.gz'
Content type 'binary/octet-stream' length 146530 bytes (143 KB)
==================================================
downloaded 143 KB

[3/3] Installing neuralnet...
* installing *binary* package ‘Deriv’ ...
* DONE (Deriv)

The downloaded source packages are in
	‘/tmp/RtmpHUOv86/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/neuralnet_1.44.2.tar.gz'
Content type 'binary/octet-stream' length 121398 bytes (118 KB)
==================================================
downloaded 118 KB

* installing *binary* package ‘neuralnet’ ...
* DONE (neuralnet)

The downloaded source packages are in
	‘/tmp/RtmpHUOv86/downloaded_packages’


✔ Packages successfully installed.
```

これもエラー

```
> ## Step 2: Exploring and preparing the data ----
> # read in data and examine structure
> concrete <- read.csv("concrete.csv")
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file 'concrete.csv': No such file or directory
```

第８章

```
Installing 'arules' ...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/arules_1.6-7.tar.gz'
Content type 'binary/octet-stream' length 2650723 bytes (2.5 MB)
==================================================
downloaded 2.5 MB

* installing *binary* package ‘arules’ ...
* DONE (arules)

The downloaded source packages are in
	‘/tmp/RtmpPlEr9q/downloaded_packages’


✔ Package 'arules' successfully installed.
```

で、

```
> groceries <- read.transactions("groceries.csv", sep = ",")
Error in file(con, "r") : cannot open the connection
In addition: Warning message:
In file(con, "r") :
  cannot open file 'groceries.csv': No such file or directory
```

第９章

追加はない。エラーはある。

```
> ## Example: Finding Teen Market Segments ----
> ## Step 2: Exploring and preparing the data ----
> teens <- read.csv("snsdata.csv", stringsAsFactors = TRUE)
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file 'snsdata.csv': No such file or directory
```

第１０章


```
** Installing R Packages: 'caret', 'irr', 'pROC', 'vcd'
[1/12] Installing ggplot2...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependencies ‘colorspace’, ‘cli’, ‘crayon’, ‘utf8’, ‘farver’, ‘labeling’, ‘lifecycle’, ‘munsell’, ‘R6’, ‘viridisLite’, ‘ellipsis’, ‘fansi’, ‘pillar’, ‘pkgconfig’, ‘vctrs’, ‘digest’, ‘gtable’, ‘isoband’, ‘rlang’, ‘scales’, ‘tibble’, ‘withr’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/colorspace_2.0-0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/cli_2.4.0.tar.gz'
Content type 'binary/octet-stream' length 488804 bytes (477 KB)
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/crayon_1.4.1.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/utf8_1.2.1.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/farver_2.1.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/labeling_0.4.2.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/lifecycle_1.0.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/munsell_0.5.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/R6_2.5.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/viridisLite_0.4.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/ellipsis_0.3.1.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/fansi_0.4.2.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/pillar_1.6.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/pkgconfig_2.0.3.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/vctrs_0.3.7.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/digest_0.6.27.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/gtable_0.3.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/isoband_0.2.4.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rlang_0.4.10.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/scales_1.1.1.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/tibble_3.1.1.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/withr_2.4.2.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/ggplot2_3.3.3.tar.gz'
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* installing *binary* package ‘colorspace’ ...
* DONE (colorspace)
* installing *binary* package ‘cli’ ...
* DONE (cli)
* installing *binary* package ‘crayon’ ...
* DONE (crayon)
* installing *binary* package ‘utf8’ ...
* DONE (utf8)
* installing *binary* package ‘farver’ ...
* DONE (farver)
* installing *binary* package ‘labeling’ ...
* DONE (labeling)
* installing *binary* package ‘R6’ ...
* DONE (R6)
* installing *binary* package ‘viridisLite’ ...
* DONE (viridisLite)
* installing *binary* package ‘fansi’ ...
* DONE (fansi)
* installing *binary* package ‘pkgconfig’ ...
* DONE (pkgconfig)
* installing *binary* package ‘digest’ ...
* DONE (digest)
* installing *binary* package ‘gtable’ ...
* DONE (gtable)
* installing *binary* package ‘isoband’ ...
* DONE (isoband)
* installing *binary* package ‘rlang’ ...
* DONE (rlang)
* installing *binary* package ‘withr’ ...
* DONE (withr)
* installing *binary* package ‘lifecycle’ ...
* DONE (lifecycle)
* installing *binary* package ‘munsell’ ...
* DONE (munsell)
* installing *binary* package ‘ellipsis’ ...
* DONE (ellipsis)
* installing *binary* package ‘vctrs’ ...
* DONE (vctrs)
* installing *binary* package ‘scales’ ...
* DONE (scales)
* installing *binary* package ‘pillar’ ...
* DONE (pillar)
* installing *binary* package ‘tibble’ ...
* DONE (tibble)
* installing *binary* package ‘ggplot2’ ...
* DONE (ggplot2)
[2/12] Installing foreach...

The downloaded source packages are in
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Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependency ‘iterators’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/iterators_1.0.13.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/foreach_1.5.1.tar.gz'
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* installing *binary* package ‘iterators’ ...
* DONE (iterators)
* installing *binary* package ‘foreach’ ...
* DONE (foreach)
[3/12] Installing ModelMetrics...

The downloaded source packages are in
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(as ‘lib’ is unspecified)
also installing the dependency ‘data.table’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/data.table_1.14.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/ModelMetrics_1.2.2.2.tar.gz'
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[4/12] Installing recipes...
* installing *binary* package ‘ModelMetrics’ ...
* DONE (ModelMetrics)

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(as ‘lib’ is unspecified)
also installing the dependencies ‘numDeriv’, ‘SQUAREM’, ‘lava’, ‘prodlim’, ‘cpp11’, ‘dplyr’, ‘generics’, ‘gower’, ‘ipred’, ‘lubridate’, ‘purrr’, ‘tidyr’, ‘tidyselect’, ‘timeDate’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/numDeriv_2016.8-1.1.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/SQUAREM_2021.1.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/lava_1.6.9.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/prodlim_2019.11.13.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/cpp11_0.2.7.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/dplyr_1.0.5.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/generics_0.1.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/gower_0.2.2.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/ipred_0.9-11.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/lubridate_1.7.10.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/purrr_0.3.4.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/tidyr_1.1.3.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/tidyselect_1.1.0.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/timeDate_3043.102.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/recipes_0.1.16.tar.gz'
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* installing *binary* package ‘numDeriv’ ...
* DONE (numDeriv)
* installing *binary* package ‘SQUAREM’ ...
* DONE (SQUAREM)
* installing *binary* package ‘cpp11’ ...
* DONE (cpp11)
* installing *binary* package ‘generics’ ...
* DONE (generics)
* installing *binary* package ‘gower’ ...
* DONE (gower)
* installing *binary* package ‘purrr’ ...
* DONE (purrr)
* installing *binary* package ‘timeDate’ ...
* DONE (timeDate)
* installing *binary* package ‘lava’ ...
* DONE (lava)
* installing *binary* package ‘lubridate’ ...
* DONE (lubridate)
* installing *binary* package ‘tidyselect’ ...
* DONE (tidyselect)
* installing *binary* package ‘prodlim’ ...
* DONE (prodlim)
* installing *binary* package ‘dplyr’ ...
* DONE (dplyr)
* installing *binary* package ‘ipred’ ...
* DONE (ipred)
* installing *binary* package ‘tidyr’ ...
* DONE (tidyr)
* installing *binary* package ‘recipes’ ...
* DONE (recipes)
[5/12] Installing withr...

The downloaded source packages are in
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Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/withr_2.4.2.tar.gz'
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* installing *binary* package ‘withr’ ...
[6/12] Installing pROC...
* DONE (withr)

The downloaded source packages are in
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Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/pROC_1.17.0.1.tar.gz'
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* DONE (pROC)
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(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/caret_6.0-86.tar.gz'
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[8/12] Installing lpSolve...
* installing *binary* package ‘caret’ ...
* DONE (caret)

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Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/lpSolve_5.6.15.tar.gz'
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* installing *binary* package ‘lpSolve’ ...
[9/12] Installing irr...
* DONE (lpSolve)

The downloaded source packages are in
	‘/tmp/RtmpYnfJZ5/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/irr_0.84.1.tar.gz'
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* installing *binary* package ‘irr’ ...
* DONE (irr)
[10/12] Installing colorspace...

The downloaded source packages are in
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Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/colorspace_2.0-0.tar.gz'
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* installing *binary* package ‘colorspace’ ...
* DONE (colorspace)
[11/12] Installing lmtest...

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(as ‘lib’ is unspecified)
also installing the dependency ‘zoo’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/zoo_1.8-9.tar.gz'
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trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/lmtest_0.9-38.tar.gz'
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* installing *binary* package ‘zoo’ ...
* DONE (zoo)
[12/12] Installing vcd...
* installing *binary* package ‘lmtest’ ...
* DONE (lmtest)

The downloaded source packages are in
	‘/tmp/RtmpYnfJZ5/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/vcd_1.4-8.tar.gz'
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* installing *binary* package ‘vcd’ ...
* DONE (vcd)

The downloaded source packages are in
	‘/tmp/RtmpYnfJZ5/downloaded_packages’


✔ Packages successfully installed.
```

実行

```
> # obtain the predicted probabilities
> sms_test_prob <- predict(sms_classifier, sms_test, type = "raw")
Error in h(simpleError(msg, call)) : 
  error in evaluating the argument 'object' in selecting a method for function 'predict': object 'sms_classifier' not found
> 
```
え、オブジェクトがないってどゆこと。

第11章

```
** Installing R Packages: 'adabag', 'randomForest'
[1/3] Installing doParallel...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/doParallel_1.0.16.tar.gz'
Content type 'binary/octet-stream' length 59742 bytes (58 KB)
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downloaded 58 KB

[2/3] Installing adabag...
* installing *binary* package ‘doParallel’ ...
* DONE (doParallel)

The downloaded source packages are in
	‘/tmp/RtmpEyKtH7/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/adabag_4.2.tar.gz'
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[3/3] Installing randomForest...
* installing *binary* package ‘adabag’ ...
* DONE (adabag)

The downloaded source packages are in
	‘/tmp/RtmpEyKtH7/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/randomForest_4.6-14.tar.gz'
Content type 'binary/octet-stream' length 257439 bytes (251 KB)
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downloaded 251 KB

* installing *binary* package ‘randomForest’ ...
* DONE (randomForest)

The downloaded source packages are in
	‘/tmp/RtmpEyKtH7/downloaded_packages’


✔ Packages successfully installed.
```

run

```
> # load the credit dataset
> credit <- read.csv("credit.csv", stringsAsFactors = TRUE)
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file 'credit.csv': No such file or directory
```

第１２章


```
** Installing R Packages: 'DBI', 'ff', 'ffbase', 'h2o', 'httr', 'igraph', 'jsonlite', 'odbc', 'ranger', 'RCurl', 'readr', 'rio', 'RODBC', 'RSQLite', 'rvest', 'sparklyr', 'XML'
[1/45] Installing DBI...
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/DBI_1.1.1.tar.gz'
Content type 'binary/octet-stream' length 666548 bytes (650 KB)
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downloaded 650 KB

[2/45] Installing bit...
* installing *binary* package ‘DBI’ ...
* DONE (DBI)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/bit_4.0.4.tar.gz'
Content type 'binary/octet-stream' length 688768 bytes (672 KB)
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downloaded 672 KB

[3/45] Installing ff...
* installing *binary* package ‘bit’ ...
* DONE (bit)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/ff_4.0.4.tar.gz'
Content type 'binary/octet-stream' length 1605260 bytes (1.5 MB)
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* installing *binary* package ‘ff’ ...
* DONE (ff)
[4/45] Installing fastmatch...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/fastmatch_1.1-0.tar.gz'
Content type 'binary/octet-stream' length 60367 bytes (58 KB)
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downloaded 58 KB

[5/45] Installing ffbase...
* installing *binary* package ‘fastmatch’ ...
* DONE (fastmatch)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/ffbase_0.13.3.tar.gz'
Content type 'binary/octet-stream' length 367311 bytes (358 KB)
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* installing *binary* package ‘ffbase’ ...
* DONE (ffbase)
[6/45] Installing bitops...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/bitops_1.0-7.tar.gz'
Content type 'binary/octet-stream' length 34858 bytes (34 KB)
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downloaded 34 KB

[7/45] Installing RCurl...
* installing *binary* package ‘bitops’ ...
* DONE (bitops)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/RCurl_1.98-1.3.tar.gz'
Content type 'binary/octet-stream' length 1123996 bytes (1.1 MB)
==================================================
downloaded 1.1 MB

* installing *binary* package ‘RCurl’ ...
[8/45] Installing jsonlite...
* DONE (RCurl)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/jsonlite_1.7.2.tar.gz'
Content type 'binary/octet-stream' length 536284 bytes (523 KB)
==================================================
downloaded 523 KB

[9/45] Installing h2o...
* installing *binary* package ‘jsonlite’ ...
* DONE (jsonlite)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/h2o_3.32.0.1.tar.gz'
Content type 'binary/octet-stream' length 166216079 bytes (158.5 MB)
==================================================
downloaded 158.5 MB

* installing *binary* package ‘h2o’ ...
* DONE (h2o)
[10/45] Installing curl...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/curl_4.3.tar.gz'
Content type 'binary/octet-stream' length 785472 bytes (767 KB)
==================================================
downloaded 767 KB

* installing *binary* package ‘curl’ ...
* DONE (curl)
[11/45] Installing mime...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/mime_0.10.tar.gz'
Content type 'binary/octet-stream' length 37505 bytes (36 KB)
==================================================
downloaded 36 KB

[12/45] Installing openssl...
* installing *binary* package ‘mime’ ...
* DONE (mime)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependencies ‘sys’, ‘askpass’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/sys_3.4.tar.gz'
Content type 'binary/octet-stream' length 54878 bytes (53 KB)
==================================================
downloaded 53 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/askpass_1.1.tar.gz'
Content type 'binary/octet-stream' length 23556 bytes (23 KB)
==================================================
downloaded 23 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/openssl_1.4.3.tar.gz'
Content type 'binary/octet-stream' length 1390258 bytes (1.3 MB)
==================================================
downloaded 1.3 MB

* installing *binary* package ‘sys’ ...
* DONE (sys)
* installing *binary* package ‘askpass’ ...
* DONE (askpass)
[13/45] Installing httr...
* installing *binary* package ‘openssl’ ...
* DONE (openssl)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/httr_1.4.2.tar.gz'
Content type 'binary/octet-stream' length 497896 bytes (486 KB)
==================================================
downloaded 486 KB

[14/45] Installing igraph...
* installing *binary* package ‘httr’ ...
* DONE (httr)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/igraph_1.2.6.tar.gz'
Content type 'binary/octet-stream' length 8427431 bytes (8.0 MB)
==================================================
downloaded 8.0 MB

* installing *binary* package ‘igraph’ ...
* DONE (igraph)
[15/45] Installing bit64...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/bit64_4.0.5.tar.gz'
Content type 'binary/octet-stream' length 575643 bytes (562 KB)
==================================================
downloaded 562 KB

[16/45] Installing blob...
* installing *binary* package ‘bit64’ ...
* DONE (bit64)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/blob_1.2.1.tar.gz'
Content type 'binary/octet-stream' length 45560 bytes (44 KB)
==================================================
downloaded 44 KB

* installing *binary* package ‘blob’ ...
* DONE (blob)
[17/45] Installing hms...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/hms_1.0.0.tar.gz'
Content type 'binary/octet-stream' length 96139 bytes (93 KB)
==================================================
downloaded 93 KB

* installing *binary* package ‘hms’ ...
[18/45] Installing odbc...
* DONE (hms)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/odbc_1.3.2.tar.gz'
Content type 'binary/octet-stream' length 3340397 bytes (3.2 MB)
==================================================
downloaded 3.2 MB

* installing *binary* package ‘odbc’ ...
[19/45] Installing RcppEigen...
* DONE (odbc)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/RcppEigen_0.3.3.9.1.tar.gz'
Content type 'binary/octet-stream' length 7459406 bytes (7.1 MB)
==================================================
downloaded 7.1 MB

* installing *binary* package ‘RcppEigen’ ...
* DONE (RcppEigen)
[20/45] Installing ranger...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/ranger_0.12.1.tar.gz'
Content type 'binary/octet-stream' length 4264470 bytes (4.1 MB)
==================================================
downloaded 4.1 MB

* installing *binary* package ‘ranger’ ...
[21/45] Installing clipr...
* DONE (ranger)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/clipr_0.7.1.tar.gz'
Content type 'binary/octet-stream' length 47153 bytes (46 KB)
==================================================
downloaded 46 KB

* installing *binary* package ‘clipr’ ...
* DONE (clipr)
[22/45] Installing readr...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/readr_1.4.0.tar.gz'
Content type 'binary/octet-stream' length 4711345 bytes (4.5 MB)
==================================================
downloaded 4.5 MB

* installing *binary* package ‘readr’ ...
* DONE (readr)
[23/45] Installing haven...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependency ‘forcats’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/forcats_0.5.1.tar.gz'
Content type 'binary/octet-stream' length 353624 bytes (345 KB)
==================================================
downloaded 345 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/haven_2.4.1.tar.gz'
Content type 'binary/octet-stream' length 1493299 bytes (1.4 MB)
==================================================
downloaded 1.4 MB

* installing *binary* package ‘forcats’ ...
* DONE (forcats)
* installing *binary* package ‘haven’ ...
[24/45] Installing readxl...
* DONE (haven)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependencies ‘rematch’, ‘prettyunits’, ‘cellranger’, ‘progress’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rematch_1.0.1.tar.gz'
Content type 'binary/octet-stream' length 11905 bytes (11 KB)
==================================================
downloaded 11 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/prettyunits_1.1.1.tar.gz'
Content type 'binary/octet-stream' length 34423 bytes (33 KB)
==================================================
downloaded 33 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/cellranger_1.1.0.tar.gz'
Content type 'binary/octet-stream' length 101054 bytes (98 KB)
==================================================
downloaded 98 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/progress_1.2.2.tar.gz'
Content type 'binary/octet-stream' length 83277 bytes (81 KB)
==================================================
downloaded 81 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/readxl_1.3.1.tar.gz'
Content type 'binary/octet-stream' length 2947206 bytes (2.8 MB)
==================================================
downloaded 2.8 MB

* installing *binary* package ‘rematch’ ...
* DONE (rematch)
* installing *binary* package ‘prettyunits’ ...
* DONE (prettyunits)
* installing *binary* package ‘cellranger’ ...
* DONE (cellranger)
* installing *binary* package ‘progress’ ...
* DONE (progress)
* installing *binary* package ‘readxl’ ...
* DONE (readxl)
[25/45] Installing openxlsx...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependency ‘zip’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/zip_2.1.1.tar.gz'
Content type 'binary/octet-stream' length 636558 bytes (621 KB)
==================================================
downloaded 621 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/openxlsx_4.2.3.tar.gz'
Content type 'binary/octet-stream' length 4682914 bytes (4.5 MB)
==================================================
downloaded 4.5 MB

* installing *binary* package ‘zip’ ...
* DONE (zip)
[26/45] Installing rio...
* installing *binary* package ‘openxlsx’ ...
* DONE (openxlsx)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rio_0.5.26.tar.gz'
Content type 'binary/octet-stream' length 476791 bytes (465 KB)
==================================================
downloaded 465 KB

* installing *binary* package ‘rio’ ...
* DONE (rio)
[27/45] Installing RODBC...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/RODBC_1.3-17.tar.gz'
Content type 'binary/octet-stream' length 868472 bytes (848 KB)
==================================================
downloaded 848 KB

* installing *binary* package ‘RODBC’ ...
[28/45] Installing memoise...
* DONE (RODBC)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependencies ‘fastmap’, ‘cachem’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/fastmap_1.1.0.tar.gz'
Content type 'binary/octet-stream' length 240548 bytes (234 KB)
==================================================
downloaded 234 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/cachem_1.0.4.tar.gz'
Content type 'binary/octet-stream' length 68485 bytes (66 KB)
==================================================
downloaded 66 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/memoise_2.0.0.tar.gz'
Content type 'binary/octet-stream' length 46623 bytes (45 KB)
==================================================
downloaded 45 KB

* installing *binary* package ‘fastmap’ ...
* DONE (fastmap)
* installing *binary* package ‘cachem’ ...
* DONE (cachem)
* installing *binary* package ‘memoise’ ...
* DONE (memoise)
[29/45] Installing plogr...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/plogr_0.2.0.tar.gz'
Content type 'binary/octet-stream' length 12603 bytes (12 KB)
==================================================
downloaded 12 KB

* installing *binary* package ‘plogr’ ...
[30/45] Installing RSQLite...
* DONE (plogr)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/RSQLite_2.2.7.tar.gz'
Content type 'binary/octet-stream' length 5736199 bytes (5.5 MB)
==================================================
downloaded 5.5 MB

[31/45] Installing selectr...
* installing *binary* package ‘RSQLite’ ...
* DONE (RSQLite)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/selectr_0.4-2.tar.gz'
Content type 'binary/octet-stream' length 485139 bytes (473 KB)
==================================================
downloaded 473 KB

[32/45] Installing rvest...
* installing *binary* package ‘selectr’ ...
* DONE (selectr)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rvest_1.0.0.tar.gz'
Content type 'binary/octet-stream' length 195912 bytes (191 KB)
==================================================
downloaded 191 KB

[33/45] Installing assertthat...
* installing *binary* package ‘rvest’ ...
* DONE (rvest)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/assertthat_0.2.1.tar.gz'
Content type 'binary/octet-stream' length 52137 bytes (50 KB)
==================================================
downloaded 50 KB

* installing *binary* package ‘assertthat’ ...
* DONE (assertthat)
[34/45] Installing base64enc...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/base64enc_0.1-3.tar.gz'
Content type 'binary/octet-stream' length 38865 bytes (37 KB)
==================================================
downloaded 37 KB

[35/45] Installing config...
* installing *binary* package ‘base64enc’ ...
* DONE (base64enc)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependency ‘yaml’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/yaml_2.2.1.tar.gz'
Content type 'binary/octet-stream' length 283644 bytes (276 KB)
==================================================
downloaded 276 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/config_0.3.1.tar.gz'
Content type 'binary/octet-stream' length 79840 bytes (77 KB)
==================================================
downloaded 77 KB

* installing *binary* package ‘yaml’ ...
* DONE (yaml)
* installing *binary* package ‘config’ ...
* DONE (config)
[36/45] Installing dbplyr...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/dbplyr_2.1.1.tar.gz'
Content type 'binary/octet-stream' length 803762 bytes (784 KB)
==================================================
downloaded 784 KB

[37/45] Installing forge...
* installing *binary* package ‘dbplyr’ ...
* DONE (dbplyr)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/forge_0.2.0.tar.gz'
Content type 'binary/octet-stream' length 38100 bytes (37 KB)
==================================================
downloaded 37 KB

[38/45] Installing globals...
* installing *binary* package ‘forge’ ...
* DONE (forge)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/globals_0.14.0.tar.gz'
Content type 'binary/octet-stream' length 93164 bytes (90 KB)
==================================================
downloaded 90 KB

* installing *binary* package ‘globals’ ...
* DONE (globals)
[39/45] Installing r2d3...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependencies ‘htmlwidgets’, ‘htmltools’, ‘rstudioapi’

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/htmlwidgets_1.5.3.tar.gz'
Content type 'binary/octet-stream' length 270838 bytes (264 KB)
==================================================
downloaded 264 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/htmltools_0.5.1.1.tar.gz'
Content type 'binary/octet-stream' length 236672 bytes (231 KB)
==================================================
downloaded 231 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rstudioapi_0.13.tar.gz'
Content type 'binary/octet-stream' length 274043 bytes (267 KB)
==================================================
downloaded 267 KB

trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/r2d3_0.2.5.tar.gz'
Content type 'binary/octet-stream' length 659457 bytes (644 KB)
==================================================
downloaded 644 KB

* installing *binary* package ‘htmltools’ ...
* DONE (htmltools)
* installing *binary* package ‘rstudioapi’ ...
* DONE (rstudioapi)
* installing *binary* package ‘htmlwidgets’ ...
* DONE (htmlwidgets)
* installing *binary* package ‘r2d3’ ...
[40/45] Installing rappdirs...
* DONE (r2d3)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rappdirs_0.3.3.tar.gz'
Content type 'binary/octet-stream' length 47356 bytes (46 KB)
==================================================
downloaded 46 KB

[41/45] Installing rprojroot...
* installing *binary* package ‘rappdirs’ ...
* DONE (rappdirs)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rprojroot_2.0.2.tar.gz'
Content type 'binary/octet-stream' length 96727 bytes (94 KB)
==================================================
downloaded 94 KB

* installing *binary* package ‘rprojroot’ ...
* DONE (rprojroot)
[42/45] Installing rstudioapi...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/rstudioapi_0.13.tar.gz'
Content type 'binary/octet-stream' length 274043 bytes (267 KB)
==================================================
downloaded 267 KB

* installing *binary* package ‘rstudioapi’ ...
* DONE (rstudioapi)
[43/45] Installing uuid...

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/uuid_0.1-4.tar.gz'
Content type 'binary/octet-stream' length 34655 bytes (33 KB)
==================================================
downloaded 33 KB

[44/45] Installing sparklyr...
* installing *binary* package ‘uuid’ ...
* DONE (uuid)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/sparklyr_1.6.2.tar.gz'
Content type 'binary/octet-stream' length 5253486 bytes (5.0 MB)
==================================================
downloaded 5.0 MB

[45/45] Installing XML...
* installing *binary* package ‘sparklyr’ ...
* DONE (sparklyr)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'https://packagemanager.rstudio.com/all/__linux__/focal/latest/src/contrib/XML_3.99-0.6.tar.gz'
Content type 'binary/octet-stream' length 1945020 bytes (1.9 MB)
==================================================
downloaded 1.9 MB

* installing *binary* package ‘XML’ ...
* DONE (XML)

The downloaded source packages are in
	‘/tmp/Rtmp4ys6Gr/downloaded_packages’


✔ Packages successfully installed.
```
やはりエラー

```
> # load the credit dataset
> credit <- read.csv("credit.csv", stringsAsFactors = TRUE)
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file 'credit.csv': No such file or directory
```

<この項は書きかけです。順次追記します。>
This article is not completed. I will add some words and/or centences in order.
Este artículo no está completo. Agregaré algunas palabras en orden.

## 知人資料
' @kazuo_reve 私が効果を確認した「小川メソッド」
https://qiita.com/kazuo_reve/items/a3ea1d9171deeccc04da

' @kazuo_reve 新人の方によく展開している有益な情報
https://qiita.com/kazuo_reve/items/d1a3f0ee48e24bba38f1

' @kazuo_reve Vモデルについて勘違いしていたと思ったこと
https://qiita.com/kazuo_reve/items/46fddb094563bd9b2e1e

## 自己記事一覧
Qiitaで逆リンクを表示しなくなったような気がする。時々、スマフォで表示するとあらわることがあり、完全に削除したのではなさそう。2024年４月以降、せっせとリンクリストを作り、統計を取って確率を説明しようとしている。2025年２月末を目標にしていた。

一覧の一覧( The directory of directories of mine.) Qiita(100)
https://qiita.com/kaizen_nagoya/items/7eb0e006543886138f39

views 20,000越え自己記事一覧
https://qiita.com/kaizen_nagoya/items/58e8bd6450957cdecd81

Views１万越え、もうすぐ１万記事一覧 最近いいねをいただいた216記事
https://qiita.com/kaizen_nagoya/items/d2b805717a92459ce853

仮説（0）一覧（目標100現在40）
https://qiita.com/kaizen_nagoya/items/f000506fe1837b3590df

Qiita(0)Qiita関連記事一覧（自分）
https://qiita.com/kaizen_nagoya/items/58db5fbf036b28e9dfa6

Error一覧 error(0)
https://qiita.com/kaizen_nagoya/items/48b6cbc8d68eae2c42b8

C++ Support(0)　
https://qiita.com/kaizen_nagoya/items/8720d26f762369a80514

Coding(0) Rules, C, Secure, MISRA and so on
https://qiita.com/kaizen_nagoya/items/400725644a8a0e90fbb0

Ethernet 記事一覧　Ethernet(0)
https://qiita.com/kaizen_nagoya/items/88d35e99f74aefc98794

Wireshark 一覧 wireshark(0)、Ethernet(48) 
https://qiita.com/kaizen_nagoya/items/fbed841f61875c4731d0

線網（Wi-Fi）空中線(antenna)(0) 記事一覧(118/300目標)
https://qiita.com/kaizen_nagoya/items/5e5464ac2b24bd4cd001

なぜdockerで機械学習するか 書籍・ソース一覧作成中 (目標100)
https://qiita.com/kaizen_nagoya/items/ddd12477544bf5ba85e2

プログラムちょい替え（0）一覧:4件
https://qiita.com/kaizen_nagoya/items/296d87ef4bfd516bc394

言語処理100本ノックをdockerで。python覚えるのに最適。:10+12
https://qiita.com/kaizen_nagoya/items/7e7eb7c543e0c18438c4

Python(0)記事をまとめたい。
https://qiita.com/kaizen_nagoya/items/088c57d70ab6904ebb53

安全（0）安全工学シンポジウムに向けて: 21
https://qiita.com/kaizen_nagoya/items/c5d78f3def8195cb2409

プログラマによる、プログラマのための、統計(0)と確率のプログラミングとその後
https://qiita.com/kaizen_nagoya/items/6e9897eb641268766909

転職(0)一覧
https://qiita.com/kaizen_nagoya/items/f77520d378d33451d6fe

技術士(0)一覧
https://qiita.com/kaizen_nagoya/items/ce4ccf4eb9c5600b89ea

Reserchmap(0) 一覧
https://qiita.com/kaizen_nagoya/items/506c79e562f406c4257e

物理記事　上位100
https://qiita.com/kaizen_nagoya/items/66e90fe31fbe3facc6ff

量子(0) 計算機, 量子力学 
https://qiita.com/kaizen_nagoya/items/1cd954cb0eed92879fd4

数学関連記事１００
https://qiita.com/kaizen_nagoya/items/d8dadb49a6397e854c6d

coq(0) 一覧
https://qiita.com/kaizen_nagoya/items/d22f9995cf2173bc3b13

統計(0)一覧
https://qiita.com/kaizen_nagoya/items/80d3b221807e53e88aba

図(0) state, sequence and timing. UML and お絵描き 
https://qiita.com/kaizen_nagoya/items/60440a882146aeee9e8f

色(0) 記事100書く切り口 
https://qiita.com/kaizen_nagoya/items/22331c0335ed34326b9b

品質一覧 
https://qiita.com/kaizen_nagoya/items/2b99b8e9db6d94b2e971

言語・文学記事　１００
https://qiita.com/kaizen_nagoya/items/42d58d5ef7fb53c407d6

医工連携関連記事一覧
https://qiita.com/kaizen_nagoya/items/6ab51c12ba51bc260a82

水の資料集(0)　方針と成果
https://qiita.com/kaizen_nagoya/items/f5dbb30087ea732b52aa

自動車　記事　１００
https://qiita.com/kaizen_nagoya/items/f7f0b9ab36569ad409c5

通信記事１００
https://qiita.com/kaizen_nagoya/items/1d67de5e1cd207b05ef7

日本語（０）一欄
https://qiita.com/kaizen_nagoya/items/7498dcfa3a9ba7fd1e68

英語(0) 一覧
https://qiita.com/kaizen_nagoya/items/680e3f5cbf9430486c7d

音楽　一覧(0) 
https://qiita.com/kaizen_nagoya/items/b6e5f42bbfe3bbe40f5d

「@kazuo_reve 新人の方によく展開している有益な情報」確認一覧 
https://qiita.com/kaizen_nagoya/items/b9380888d1e5a042646b

鉄道（０）鉄道のシステム考察はてっちゃんがてつだってくれる
https://qiita.com/kaizen_nagoya/items/faa4ea03d91d901a618a

OSEK OS設計の基礎　OSEK(100)
https://qiita.com/kaizen_nagoya/items/7528a22a14242d2d58a3

coding (101) 一覧を作成し始めた。omake:最近のQiitaで表示しない5つの事象
https://qiita.com/kaizen_nagoya/items/20667f09f19598aedb68

官公庁・学校・公的団体（NPOを含む）システムの課題、官（０）
https://qiita.com/kaizen_nagoya/items/04ee6eaf7ec13d3af4c3

「はじめての」シリーズ　 ベクタージャパン　
https://qiita.com/kaizen_nagoya/items/2e41634f6e21a3cf74eb

AUTOSAR(0)Qiita記事一覧, OSEK(75)
https://qiita.com/kaizen_nagoya/items/89c07961b59a8754c869

プログラマが知っていると良い「公序良俗」
https://qiita.com/kaizen_nagoya/items/9fe7c0dfac2fbd77a945

LaTeX(0) 一覧　
https://qiita.com/kaizen_nagoya/items/e3f7dafacab58c499792

自動制御、制御工学一覧（０）
https://qiita.com/kaizen_nagoya/items/7767a4e19a6ae1479e6b

Rust(0) 一覧　
https://qiita.com/kaizen_nagoya/items/5e8bb080ba6ca0281927

programの本質は計画だ。programは設計だ。
https://qiita.com/kaizen_nagoya/items/c8545a769c246a458c27

登壇直後版 色使い(JIS安全色) Qiita Engineer Festa 2023〜私しか得しないニッチな技術でLT〜 スライド編 0.15
https://qiita.com/kaizen_nagoya/items/f0d3070d839f4f735b2b

プログラマが知っていると良い「公序良俗」
https://qiita.com/kaizen_nagoya/items/9fe7c0dfac2fbd77a945

逆も真：社会人が最初に確かめるとよいこと。OSEK(69)、Ethernet(59)
https://qiita.com/kaizen_nagoya/items/39afe4a728a31b903ddc

統計の嘘。仮説（127）
https://qiita.com/kaizen_nagoya/items/63b48ecf258a3471c51b

自分の言葉だけで論理展開できるのが天才なら、文章の引用だけで論理展開できるのが秀才だ。仮説（136）
https://qiita.com/kaizen_nagoya/items/97cf07b9e24f860624dd

参考文献駆動執筆(references driven writing)・デンソークリエイト編
https://qiita.com/kaizen_nagoya/items/b27b3f58b8bf265a5cd1

「何を」よりも「誰を」。１０年後のために今見習いたい人たち
https://qiita.com/kaizen_nagoya/items/8045978b16eb49d572b2

Qiitaの記事に３段階または５段階で到達するための方法
https://qiita.com/kaizen_nagoya/items/6e9298296852325adc5e

出力(output)と呼ばないで。これは状態(state)です。
https://qiita.com/kaizen_nagoya/items/80b8b5913b2748867840

祝休日・謹賀新年 2025年の目標
https://qiita.com/kaizen_nagoya/items/dfa34827932f99c59bbc

Qiita 1年間をまとめた「振り返りページ」＠2024
https://qiita.com/kaizen_nagoya/items/ed6be239119c99b15828

2024 参加・主催Calendarと投稿記事一覧 Qiita(248)
https://qiita.com/kaizen_nagoya/items/d80b8fbac2496df7827f

主催Calendar2024分析 Qiita(254)
https://qiita.com/kaizen_nagoya/items/15807336d583076f70bc

Calendar 統計
https://qiita.com/kaizen_nagoya/items/e315558dcea8ee3fe43e

LLM 関連 Calendar 2024 
https://qiita.com/kaizen_nagoya/items/c36033cf66862d5496fa

Large Language Model Related Calendar 
https://qiita.com/kaizen_nagoya/items/3beb0bc3fb71e3ae6d66

博士論文 Calendar 2024 を開催します。 
https://qiita.com/kaizen_nagoya/items/51601357efbcaf1057d0

博士論文(0)関連記事一覧
https://qiita.com/kaizen_nagoya/items/8f223a760e607b705e78

coding (101) 一覧を作成し始めた。omake:最近のQiitaで表示しない5つの事象
https://qiita.com/kaizen_nagoya/items/20667f09f19598aedb68

あなたは「勘違いまとめ」から、勘違いだと言っていることが勘違いだといくつ見つけられますか。人間の間違い(human error(125))の種類と対策
https://qiita.com/kaizen_nagoya/items/ae391b77fffb098b8fb4

プログラマの「プログラムが書ける」思い込みは強みだ。３つの理由。仮説（168）統計と確率(17) , OSEK(79)
https://qiita.com/kaizen_nagoya/items/bc5dd86e414de402ec29

出力(output)と呼ばないで。これは状態(state)です。
https://qiita.com/kaizen_nagoya/items/80b8b5913b2748867840

これからの情報伝達手段の在り方について考えてみよう。炎上と便乗。
https://qiita.com/kaizen_nagoya/items/71a09077ac195214f0db

ISO/IEC JTC1 SC7 Software and System Engineering
https://qiita.com/kaizen_nagoya/items/48b43f0f6976a078d907

アクセシビリティの知見を発信しよう！（再び）
https://qiita.com/kaizen_nagoya/items/03457eb9ee74105ee618

統計論及確率論輪講（再び）
https://qiita.com/kaizen_nagoya/items/590874ccfca988e85ea3

読者の心をグッと惹き寄せる7つの魔法
https://qiita.com/kaizen_nagoya/items/b1b5e89bd5c0a211d862

「@kazuo_reve 新人の方によく展開している有益な情報」確認一覧
https://qiita.com/kaizen_nagoya/items/b9380888d1e5a042646b

ソースコードで議論しよう。日本語で議論するの止めましょう（あるプログラミング技術の議論報告）
https://qiita.com/kaizen_nagoya/items/8b9811c80f3338c6c0b0

脳内コンパイラの3つの危険
https://qiita.com/kaizen_nagoya/items/7025cf2d7bd9f276e382

心理学の本を読むよりはコンパイラ書いた方がよくね。仮説（34）
https://qiita.com/kaizen_nagoya/items/fa715732cc148e48880e

NASAを超えるつもりがあれば読んでください。
https://qiita.com/kaizen_nagoya/items/e81669f9cb53109157f6

データサイエンティストの気づき!「勉強して仕事に役立てない人。大嫌い!!」『それ自分かも?』ってなった!!! 
https://qiita.com/kaizen_nagoya/items/d85830d58d8dd7f71d07

「ぼくの好きな先生」「人がやらないことをやれ」プログラマになるまで。仮説（37）　
https://qiita.com/kaizen_nagoya/items/53e4bded9fe5f724b3c4

なぜ経済学徒を辞め、計算機屋になったか（経済学部入学前・入学後・卒業後対応） 転職(1)  
https://qiita.com/kaizen_nagoya/items/06335a1d24c099733f64    

プログラミング言語教育のXYZ。 仮説（52） 
https://qiita.com/kaizen_nagoya/items/1950c5810fb5c0b07be4

【24卒向け】9ヶ月後に年収１０００万円を目指す。二つの関門と三つの道。
https://qiita.com/kaizen_nagoya/items/fb5bff147193f726ad25

「【25卒向け】Qiita Career Meetup for STUDENT」予習の勧め
https://qiita.com/kaizen_nagoya/items/00eadb8a6e738cb6336f

大学入試不合格でも筆記試験のない大学に入って卒業できる。卒業しなくても博士になれる。
https://qiita.com/kaizen_nagoya/items/74adec99f396d64b5fd5

全世界の不登校の子供たち「博士論文」を書こう。世界子供博士論文遠隔実践中心 安全(99)
https://qiita.com/kaizen_nagoya/items/912d69032c012bcc84f2

日本のプログラマが世界で戦える16分野。仮説(53),統計と確率(25) 転職(32)、Ethernet(58)
https://qiita.com/kaizen_nagoya/items/a7e634a996cdd02bc53b

小川メソッド　覚え（書きかけ）
https://qiita.com/kaizen_nagoya/items/3593d72eca551742df68

DoCAP（ドゥーキャップ）って何ですか？
https://qiita.com/kaizen_nagoya/items/47e0e6509ab792c43327

views 20,000越え自己記事一覧
https://qiita.com/kaizen_nagoya/items/58e8bd6450957cdecd81

Views１万越え、もうすぐ１万記事一覧 最近いいねをいただいた213記事
https://qiita.com/kaizen_nagoya/items/d2b805717a92459ce853

amazon 殿堂入りNo1レビュアになるまで。仮説(102)
https://qiita.com/kaizen_nagoya/items/83259d18921ce75a91f4

100以上いいねをいただいた記事16選
https://qiita.com/kaizen_nagoya/items/f8d958d9084ffbd15d2a

水道局10年(1976,4-1986,3)を振り返る
https://qiita.com/kaizen_nagoya/items/707fcf6fae230dd349bf

小川清最終講義、最終講義（再）計画, Ethernet(100) 英語(100) 安全(100)
https://qiita.com/kaizen_nagoya/items/e2df642e3951e35e6a53

＜この記事は個人の過去の経験に基づく個人の感想です。現在所属する組織、業務とは関係がありません。＞
This article is an individual impression based on my individual experience. It has nothing to do with the organization or business to which I currently belong.
Este artículo es una impresión personal basada en mi experiencia personal. No tiene nada que ver con la organización o empresa a la que pertenezco actualmente.
### 文書履歴(document history)
ver. 0.01 初稿 　20250518
### 最後までおよみいただきありがとうございました。
いいね　💚、フォローをお願いします。
#### Thank you very much for reading to the last sentence.
Please press the like icon 💚　and follow me for your happy life.
#### Muchas gracias por leer hasta la última oración.
Por favor, haz clic en el ícono Me gusta 💚 y sígueme para tener una vida feliz.