I am new in using R. I want to know all about building decision tree model
in R.
Few options which I searched are rpart and rattle to build a decision
tree.Both the functions are giving me splits which are statistically
appropriate.
But I am not able to figure out how to change those splits as per my
business requirement.
for example : the automatic split of Age by using rattle is > 30 and <= 30
but I want a split of <= 20 , 21-30 , 30-50 and >= 50
I also want to know how to know the predictive strength of each variable
after each split so that I can choose which variable should come next in my
list.
I
Thanks in advance
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