I have just upgraded from R 1.7.3 to R 1.9.0 and have found that the predict function no longer works for rpart:
predict(hmmm,sim3[1:10,])
Error in predict.rpart(hmmm, sim3[1:10, ]) : couldn't find function "pred.rpart"
I have re-installed the rpart package to no avail. Any ideas?
You need to (re-)install a recent version of rpart (that might be the case for other contributed packages as well!).
Uwe Ligges
Giles Hooker
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