W-sample cart and W-j48 parameters

fatimidveil

hello every one .
Am using cart and c4.5 in my rapidminer studio for my thesis purposes . As rapidminer doesnot support cart and C4.5 so i use W-samplecart and  W-j48.
but i didn't know about the algorithm parameters ..can please any one help me out in this ... and how i mention gain ratio and information criteria for these
what value should i used  for parameters and what are the brief description of these  .
thanks 
waiting for answer .

Telcontar120

I recommend looking over the help and the sample process for the Decision Tree operator, which explains information gain ratio and also what the key parameters are for DT models. You can apply that information to your use of the W-J-48 operator.