Thanks Dave. I thought I had run library(MLInterface), but I looked back, and it was library(MLearn) I was running. Silly me... It's chugging away now. -- View this message in context: http://r.789695.n4.nabble.com/Error-could-not-find-function-MLearn-tp3998805p4005626.html Sent from the R help mailing list archive at Nabble.com.