Displaying 1 result from an estimated 1 matches for "rpart_object_based_on_training_data".
2006 Aug 10
0
QUestion on prediction of class from rpart
Hello,
I am trying to predict the classes of a test data set after training an
rpart tree.
When I run:
predict(rpart_object_based_on_training_data, newdata = "testdata", type
= "class", na.action = na.pass)
I get an error message saying that a variable that is present in both
training and test data sets has new
levels in the test set. This is true that there are new levels for some
of the variables in the test set, alth...