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d87149
2011 Sep 13
1
class weights with Random Forest
...rence that explains how the randomForest function in
the randomForest package uses the classwt parameter. Here:
http://tolstoy.newcastle.edu.au/R/e4/help/08/05/12088.html
Andy Liaw suggests not using classwt. And according to:
http://r.789695.n4.nabble.com/R-help-with-RandomForest-classwt-option-td817149.html
it has "not been implemented" as of 2007. However it improved classification
performance for a problem I am working on, more than adjusting the sampsize
parameter. So I'm wondering if it has been implemented recently (since 2007)
or if there is a detailed explanation of what thi...