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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    ParserError
Message:      Error tokenizing data. C error: Expected 1 fields in line 17, saw 2

Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1816, in _prepare_split_single
                  for key, table in generator:
                                    ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 613, in wrapped
                  for item in generator(*args, **kwargs):
                              ~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/csv/csv.py", line 198, in _generate_tables
                  for batch_idx, df in enumerate(csv_file_reader):
                                       ~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/parsers/readers.py", line 1843, in __next__
                  return self.get_chunk()
                         ~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/parsers/readers.py", line 1985, in get_chunk
                  return self.read(nrows=size)
                         ~~~~~~~~~^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/parsers/readers.py", line 1923, in read
                  ) = self._engine.read(  # type: ignore[attr-defined]
                      ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                      nrows
                      ^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/parsers/c_parser_wrapper.py", line 234, in read
                  chunks = self._reader.read_low_memory(nrows)
                File "pandas/_libs/parsers.pyx", line 850, in pandas._libs.parsers.TextReader.read_low_memory
                File "pandas/_libs/parsers.pyx", line 905, in pandas._libs.parsers.TextReader._read_rows
                File "pandas/_libs/parsers.pyx", line 874, in pandas._libs.parsers.TextReader._tokenize_rows
                File "pandas/_libs/parsers.pyx", line 891, in pandas._libs.parsers.TextReader._check_tokenize_status
                File "pandas/_libs/parsers.pyx", line 2061, in pandas._libs.parsers.raise_parser_error
              pandas.errors.ParserError: Error tokenizing data. C error: Expected 1 fields in line 17, saw 2
              
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1683, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1869, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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country
string
country_code
string
locality
string
latitude
float64
longitude
float64
date
string
hour
int64
duration_hours
float64
I_131_Bq_m3
float64
Cs_134_Bq_m3
float64
Cs_137_Bq_m3
float64
UK
AT
Moscow
59.15964
28.422439
1986-04-27 00:00:00.000000000
22
4.648355
12.371702
4.266592
0.830369
Ukraine
BY
Oslo
57.796661
35.786957
1986-04-24 11:58:33.426853707
6
21.28582
20.239753
1.861262
3.646868
Ukraine
CH
Chernobyl
59.898245
21.771812
1986-04-28 23:57:06.853707414
3
19.946896
2.908803
1.77231
3.671773
Poland
NO
Berlin
64.005621
38.686666
1986-04-26 11:55:40.280561122
21
17.599596
11.038322
5.598907
3.947073
UK
BY
Kyiv
63.064192
13.99435
1986-04-28 23:54:13.707414829
11
7.245582
0.9959
3.42293
1.394034
Sweden
PL
Helsinki
59.209991
13.064486
1986-05-02 11:52:47.134268537
12
10.256273
8.015248
4.077531
5.397742
Switzerland
UA
Berlin
59.732394
29.760764
1986-04-25 23:51:20.561122244
2
3.36321
32.685912
2.796073
1.245458
Italy
DE
Stockholm
47.064364
38.284934
1986-04-30 11:49:53.987975951
21
5.347909
18.964759
2.216358
2.070442
Russia
GB
Stockholm
46.15864
34.266504
1986-05-01 23:48:27.414829659
11
19.009383
8.145208
7.106521
7.481411
Ukraine
UA
Oslo
55.988995
12.292506
1986-04-29 11:47:00.841683366
1
17.445891
7.026639
0.591156
1.418786
Poland
GB
London
44.38572
18.381031
1986-04-28 23:45:34.268537074
23
14.650173
59.252368
4.933938
3.989745
Austria
IT
Minsk
54.129484
37.909567
1986-05-03 11:44:07.695390781
1
21.601715
3.341123
3.185725
47.771885
Switzerland
NO
London
48.417341
17.591753
1986-05-03 23:42:41.122244489
22
14.41513
8.197705
0.169267
9.921164
UK
SE
Vienna
51.266348
33.435113
1986-04-29 11:41:14.549098196
8
11.740264
14.380649
0.129992
9.300285
Russia
FI
Chernobyl
60.291899
34.753966
1986-05-02 23:39:47.975951903
0
8.828527
17.513427
1.929179
5.170868
Austria
RU
Rome
63.765988
24.863563
1986-05-02 11:38:21.402805611
7
22.630316
1.518519
1.361118
1.618444
UK
UA
Paris
45.520742
21.590467
1986-04-29 23:36:54.829659318
22
2.902456
17.303485
7.151873
4.300145
Finland
DE
London
55.219086
23.503733
1986-05-06 11:35:28.256513026
5
22.41041
30.111865
0.183685
6.11442
Austria
AT
Bern
62.533203
16.808941
1986-05-04 23:34:01.683366733
5
20.014437
0.347788
4.140661
7.7939
Poland
AT
Paris
45.732679
36.681727
1986-05-01 11:32:35.110220440
21
3.988388
35.832357
5.756923
1.622299
Russia
BY
Chernobyl
61.314795
23.51859
1986-05-04 23:31:08.537074148
17
13.99464
0.325417
0.451954
1.063809
France
DE
Paris
51.513828
36.473783
1986-05-01 11:29:41.963927855
16
20.930604
4.583247
9.70677
2.432248
Germany
NO
Helsinki
50.763989
13.170804
1986-05-10 23:28:15.390781563
11
14.151611
0.215421
16.30724
0.642416
Germany
IT
Kyiv
64.526794
39.648258
1986-05-07 11:26:48.817635270
5
21.865596
0.300837
4.17485
0.308705
Russia
GB
Helsinki
48.218041
23.298193
1986-05-10 23:25:22.244488978
7
22.688628
20.622644
3.289136
3.857918
Austria
BY
Paris
58.557073
11.434925
1986-05-03 11:23:55.671342685
18
10.714844
3.553422
17.358491
0.194578
UK
AT
Berlin
61.250255
11.140655
1986-05-12 23:22:29.098196392
9
9.678214
4.371083
0.910833
0.96405
Poland
RU
Stockholm
44.864853
32.386218
1986-05-06 11:21:02.525050100
0
22.535387
3.38269
1.717443
5.097884
Italy
RU
Paris
58.078095
29.771066
1986-05-10 23:19:35.951903807
12
16.528221
14.880549
4.434685
1.2864
Germany
UA
Helsinki
63.982549
34.063917
1986-05-08 11:18:09.378757515
16
3.668522
9.92068
0.971314
0.375824
Poland
NO
Pripyat
46.608619
13.161026
1986-05-13 23:16:42.805611222
2
1.97271
4.371541
2.411644
1.703529
Germany
SE
Chernobyl
62.820647
11.067126
1986-05-08 11:15:16.232464929
7
13.986468
1.426189
0.392057
1.082067
Finland
AT
Berlin
56.490309
25.257379
1986-05-10 23:13:49.659318637
13
22.393932
22.722047
2.893833
5.532997
UK
CH
Helsinki
56.948696
21.627857
1986-05-09 11:12:23.086172344
2
20.41772
3.513448
0.174596
0.774067
Finland
NO
London
56.871828
23.858408
1986-05-13 23:10:56.513026052
15
16.544498
5.672359
3.191902
10.503135
Switzerland
IT
Moscow
50.275554
39.747652
1986-05-12 11:09:29.939879759
12
4.199665
3.919609
0.636794
19.418417
Germany
GB
Oslo
63.639238
39.122499
1986-05-16 23:08:03.366733467
19
6.847322
8.86821
0.111082
3.780063
France
DE
Minsk
63.89436
38.269462
1986-05-15 11:06:36.793587174
23
21.136758
3.450482
1.302147
3.080327
France
AT
Rome
57.131398
33.51528
1986-05-10 23:05:10.220440881
16
5.204566
6.233559
0.06149
19.598982
Finland
RU
Helsinki
60.451877
20.645241
1986-05-13 11:03:43.647294589
12
7.404106
4.300137
3.611638
5.027699
France
DE
Bern
56.857418
22.363928
1986-05-18 23:02:17.074148296
5
3.980815
74.26057
4.269362
0.03085
Germany
DE
Minsk
54.172367
26.488481
1986-05-12 11:00:50.501002004
16
16.550489
5.477688
10.064811
3.622449
Russia
DE
Chernobyl
57.877222
34.916034
1986-05-20 22:59:23.927855711
13
22.711593
26.258615
0.611287
5.689584
Finland
RU
Pripyat
55.613031
12.061385
1986-05-20 10:57:57.354709418
16
7.186265
6.128608
0.215279
1.113242
Switzerland
IT
Warsaw
56.546993
22.728907
1986-05-21 22:56:30.781563126
7
11.934352
2.878825
6.661892
0.332568
Italy
FR
Helsinki
60.460484
12.47853
1986-05-17 10:55:04.208416833
10
15.589814
5.209114
7.849493
5.925588
Italy
PL
Moscow
54.09898
25.439728
1986-05-14 22:53:37.635270541
19
23.987724
7.230102
3.409771
7.879936
Belarus
GB
Minsk
44.855836
36.967025
1986-05-17 10:52:11.062124248
0
3.410585
27.837062
2.237467
1.609292
Austria
CH
Rome
47.443989
33.474548
1986-05-20 22:50:44.488977956
6
12.467128
38.802982
0.582187
8.467895
UK
FR
Paris
53.210752
16.835273
1986-05-22 10:49:17.915831663
20
9.857763
24.453565
6.711819
0.952983
France
GB
Helsinki
59.221358
39.279725
1986-05-17 22:47:51.342685370
20
20.913864
0.361761
3.151758
4.485465
France
BY
Kyiv
56.458852
30.020512
1986-05-16 10:46:24.769539078
16
11.947258
26.389094
1.372354
3.098867
Austria
NO
Pripyat
57.656178
10.312831
1986-05-19 22:44:58.196392785
9
3.552483
6.287747
0.562604
1.954287
Ukraine
NO
Chernobyl
54.064858
17.662405
1986-05-18 10:43:31.623246493
10
15.591755
17.085589
8.355503
11.401714
Switzerland
FI
Oslo
56.930582
17.821399
1986-05-24 22:42:05.050100200
21
18.727954
11.997702
0.055145
4.678145
Sweden
NO
Moscow
50.909366
12.077629
1986-05-21 10:40:38.476953908
8
1.066269
14.428142
0.544284
5.867797
Finland
RU
Vienna
53.873834
38.794796
1986-05-19 22:39:11.903807615
8
20.756004
9.501139
1.057657
2.1363
Switzerland
CH
Vienna
59.62986
24.347659
1986-05-24 10:37:45.330661322
23
5.278529
10.831077
0.263618
2.399489
Norway
SE
Bern
62.308488
36.874438
1986-05-24 22:36:18.757515030
4
13.697595
0.687319
0.350929
3.651033
France
UA
Minsk
53.106762
19.666465
1986-05-29 10:34:52.184368737
16
10.563343
18.978799
5.686029
1.193737
UK
FI
Moscow
44.916895
13.757007
1986-05-23 22:33:25.611222445
8
17.552038
3.0656
6.008234
2.322239
Belarus
UA
Berlin
47.395123
24.230083
1986-05-26 10:31:59.038076152
16
9.536717
10.327399
4.707888
0.672918
Italy
GB
Rome
44.438084
13.418699
1986-05-22 22:30:32.464929859
23
21.004553
12.257943
5.663329
5.162225
France
UA
Oslo
57.718523
24.580465
1986-05-31 10:29:05.891783567
20
17.801416
14.024064
1.765461
13.45404
Belarus
UA
Paris
50.978607
37.608915
1986-05-23 22:27:39.318637274
18
15.897403
1.503485
5.01003
25.934544
Germany
FI
Helsinki
55.392051
25.623044
1986-06-01 10:26:12.745490982
6
19.313534
13.349611
2.194707
4.398425
Switzerland
BY
Helsinki
54.358814
28.494992
1986-05-26 22:24:46.172344689
22
18.34253
5.777781
6.659303
1.68302
Germany
DE
Vienna
45.712056
14.699153
1986-05-31 10:23:19.599198396
8
1.82659
7.809583
16.435334
3.513573
Sweden
NO
Helsinki
52.468489
11.312069
1986-05-30 22:21:53.026052104
6
10.07889
0.353498
0.890829
3.575074
Russia
NO
Chernobyl
48.631784
13.324239
1986-06-02 10:20:26.452905811
12
22.408568
3.201452
0.983257
1.21495
Norway
RU
Oslo
52.786396
27.955947
1986-06-01 22:18:59.879759519
10
3.891658
7.051683
2.417201
33.129396
Switzerland
FI
Kyiv
48.275144
12.850351
1986-05-30 10:17:33.306613226
13
17.953221
13.6674
0.428281
2.204281
Ukraine
RU
Warsaw
61.649501
21.279787
1986-05-27 22:16:06.733466934
18
23.415612
0.071772
0.328416
20.393739
Sweden
SE
Bern
47.65806
26.502758
1986-05-31 10:14:40.160320641
10
2.200568
5.77893
3.152405
19.612345
Poland
SE
Stockholm
64.176392
21.659584
1986-06-03 22:13:13.587174348
12
16.690459
22.012883
6.602429
5.622795
Ukraine
RU
London
52.734055
14.910514
1986-06-06 10:11:47.014028056
13
11.767545
1.407908
0.64073
0.679317
Finland
FI
Bern
61.771151
18.213739
1986-06-05 22:10:20.440881763
12
14.321031
9.563127
0.247549
0.036282
UK
RU
Minsk
57.204061
37.849526
1986-06-06 10:08:53.867735471
0
2.962851
10.657211
0.142782
1.086095
Switzerland
NO
Kyiv
59.442356
30.279468
1986-05-29 22:07:27.294589178
7
1.98916
50.679478
5.102718
3.358459
Poland
FR
Bern
60.122202
24.881435
1986-06-07 10:06:00.721442885
11
16.337933
18.14277
0.736272
0.130159
Poland
PL
Paris
54.601743
10.381447
1986-06-05 22:04:34.148296593
18
19.936117
11.443029
0.666622
3.942172
Sweden
CH
Vienna
55.409311
39.772462
1986-06-08 10:03:07.575150300
11
18.986353
11.951937
2.643368
3.758055
Austria
UA
Pripyat
54.793913
30.143648
1986-06-07 22:01:41.002004008
7
13.507532
4.148075
0.912957
4.82346
Russia
PL
Minsk
56.349226
19.507674
1986-06-01 10:00:14.428857715
7
3.296937
17.862019
2.221407
5.731626
Switzerland
FI
Helsinki
44.617283
36.37806
1986-06-08 21:58:47.855711423
20
16.825022
0.106761
6.653901
0.311522
Austria
IT
Moscow
52.305819
17.752949
1986-06-09 09:57:21.282565130
12
6.563444
16.583205
3.426982
18.459332
Sweden
PL
Paris
56.729963
26.320497
1986-06-04 21:55:54.709418837
11
21.95458
7.907197
1.923421
0.501385
Finland
CH
Minsk
56.552195
29.082123
1986-06-03 09:54:28.136272545
15
20.280103
15.578429
2.504951
6.120913
Italy
SE
Pripyat
60.652078
16.631901
1986-06-10 21:53:01.563126252
0
17.315808
3.56745
3.451786
4.774465
France
GB
Rome
57.755196
39.351918
1986-06-06 09:51:34.989979960
12
22.823457
21.20525
4.891233
5.680381
France
UA
Helsinki
64.8348
32.445757
1986-06-06 21:50:08.416833667
6
1.722702
0.629783
0.489732
0.315496
Russia
CH
Bern
49.960945
26.734397
1986-06-05 09:48:41.843687374
4
17.93261
23.936951
1.956102
5.473539
Finland
DE
Bern
51.542172
15.417838
1986-06-09 21:47:15.270541082
7
8.595584
20.806329
0.292419
3.160108
Russia
IT
Minsk
52.06079
11.615746
1986-06-15 09:45:48.697394789
13
21.839515
1.829165
2.439101
1.537403
Switzerland
FI
Moscow
53.782069
19.601795
1986-06-12 21:44:22.124248497
22
7.13353
8.744536
1.557491
5.720187
Switzerland
UA
Rome
61.555959
32.59562
1986-06-16 09:42:55.551102204
12
17.671699
12.099152
8.066656
11.18764
Belarus
PL
Helsinki
48.951634
18.079939
1986-06-15 21:41:28.977955912
14
21.185881
8.917834
0.139618
42.910749
Austria
SE
Pripyat
60.296004
26.186687
1986-06-14 09:40:02.404809619
22
1.958107
3.829386
4.039755
0.18029
France
BY
Warsaw
52.511514
31.838415
1986-06-16 21:38:35.831663326
16
10.145894
4.161358
1.693239
3.335162
Poland
FR
Bern
56.638963
13.238311
1986-06-16 09:37:09.258517034
14
18.533108
1.658055
1.631117
2.468116
End of preview.

Chernobyl Radiation Historical Dataset

This dataset was published on Kaggle by Samyakraj Bayar and mirrored here.

Download

The dataset is available as a ZIP archive: Chernobyl Radiation Historical Dataset.zip

License

MIT

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