Question



Bagged Trees Prediction

Dear Dr. Ballings,

I spoke to you about this in office hours.

I ran this code to create one bagged tree:

tree <- rpart(yTRAIN ~ ., BasetableTRAIN)
predTREE <- predict(tree,BasetableTEST,type="prob")[,2]

I got this error message:

Error in predict.rpart(tree, BasetableTEST, type = "prob") :
Invalid prediction for "rpart" object

How would you suggest fixing this problem?

Thanks for your help.





Answers and follow-up questions





Answer or follow-up question 1

Dear student,

Is yTRAIN a factor?

Can you show me the output of str(output)?

Michel Ballings



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