madlib repaired the quote problem
Merge pull request #29 from preethi-jayaram/madlib/decision_tree

added text and summary functions for regression, while in the process of...
Regression works now
Can work now, but still needs splits and csplit

so that the text() can run without any problem.
index bug
Plot and text work for tree without categorical variables
Bug: C++ counts cats and cons separately
Coding for categorical variable is done
Bugs fixed
Added predict function and manual skeleton
Fixed bugs in predict
Assign splits matrix at the correct place
Start writing doc
Some bug fixes and predict manual

library(PivotalR)
db.connect(port = 17526, dbname = 'madlib')

dat <- db.data.frame("abalone")

key(dat) <- 'id'

dat$grp <- dat$id %% 2

dt <- madlib.rpart(rings < 10 ~ length + diameter + shell | sex + grp, data = dat)

Failed because the C++ code of fill_row has some bug
Removed debug code
Updated documentation for rpart, plot, print, text