search for: printrandomforests

...tle" package however I get an error "Error in if (var.class == "character" | var.class == "factor") { : argument is of length zero" Sample code: library(rattle) library(randomForest) iris.10tree <- randomForest(Species ~ ., data=iris, ntree=10) iris.10tree printRandomForests(iris.10tree) #this prints the rules as described in the vignette ruleset<-randomForest2Rules(iris.10tree) # this does not work and gives the error I mentioned above. Rattle package: http://cran.r-project.org/web/packages/rattle/rattle.pdf Please can someone tell me where I'm going wrong....