Re: [R] randomForest importance problem with combine [Broadcast]

2007-07-24 Thread Liaw, Andy
I've been fixing some problems in the combine() function, but that's only for regression data. Looks like you are doing classification, and I don't see the problem: R> library(randomForest) randomForest 4.5-19 Type rfNews() to see new features/changes/bug fixes. R> set.seed(1) R> rflist <- repli

Re: [R] randomForest importance problem with combine

2007-07-16 Thread Joseph Retzer
My apologies, subject corrected. I'm building a RF 50 trees at a time due to memory limitations (I have roughly .5 million observations and around 20 variables). I thought I could combine some or all of my forests later and look at global importance. If I have say 2 forests : tree1 and tree2