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Information gain calculation
I am a newbie to rapid miner and would be extremely grateful for any help ....i am trying to get "information gain" numbers about a dataset (based on a numerical classifier) ....so primarily i cant use most decision trees since i am using a numerical classifier and i cant figure how to get hold of the info gain numbers (also gain ratio numbers) ... kindly let me know how to obtain the same ...for e.g. if i want to know what attributes give max info gain about say salary figures ...thers something called info gain weight but it has a max value of 1 and i cant even specify the classifying attribute. Bottomline
a) How do i set/specify the classifying attribute in case of classification using decision trees
b) How do i get hold of the information gain and gain ratio numbers specifically.