Dear useRs,
I am using the function tune.rpart() implemented in the e1071 package under
R 2.7.1 on Windows XP.
Sometimes, i.e., for some datasets, I get the following error:
> tune.rpart(dataset, data = dataset, cp = c(.005,.01,.02))
> Error in table(pred, true.y) : all arguments must have the same length
I am not able to understand the reason of it!
Thanks in advance for any help!
Regards,
claudio
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