vibha patel wrote:
Hello,
for constructing regression tree, I am using rpart function.
now after dividing dataset in to training and testing,
I'm using predict for forecasting.
Such data splitting yields unreliable validations unless N > 20,000.
Frank
how to measure accuracy of the predicted data?
Thanks and Regards,
Vibha.
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Frank E Harrell Jr Professor and Chairman School of Medicine
Department of Biostatistics Vanderbilt University
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
