Displaying 1 result from an estimated 1 matches for "info_gain_order".
2011 Jan 24
1
How to measure/rank ?variable importance when using rpart?
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Thus, my question is: *What common measures exists for ranking/measuring
variable importance of participating variables in a CART model? And how
can
this be computed using R (for example, when using the rpart package)*
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Consider the following printout from rpart
summary(rpart(time ~ age + ph.ecog + pat.karno, data=lung))
Node number 1: 228 observations,