I am working with the r-package randomForest and have successfully made a random forest model and an importance plot. I am working with a dichotomous response and several categorical predictors.
However, I can't figure out how to make partial dependence plots for my categorical variables. I have tried using the randomForest command partialPLot. But I get the following error:
> partialPlot(rf.5, rf.train.1, religion)
Error in is.finite(x) : default method not implemented for type 'list'
.
So my question is: Can …