R trying to get caret / rfe to work

Question

I have a data set that I\'m trying to use rfe() from the caret package in R on.

x is the prices I\'m trying to predict.

y is the va

Answer 1

It should be factor and vector:

as.factor(noquote(as.vector(t(df[,14])))) 

In my case column 14 is a class in df.