[R] randomForest: tuneRF error

[Uwe Ligges]

Since we do not have the data, it is hard for us to reproduce and debug.

Uwe Ligges




On 21.12.2010 23:48, Dennis wrote:
> Just curious if anyone else has got this error before, and if so,
> would know what I could do (if anything) to get past it:
>
>> mtry<- tuneRF(training, trainingdata$class, ntreeTry = 500, stepFactor = 2, improve = 0.05, trace = TRUE, plot = TRUE, doBest = FALSE)
> mtry = 13  OOB error = 0.62%
> Searching left ...
> mtry = 7        OOB error = 1.38%
> -1.222222 0.05
> Searching right ...
> mtry = 26       OOB error = 0.24%
> 0.6111111 0.05
> mtry = 52       OOB error = 0.07%
> 0.7142857 0.05
> mtry = 104      OOB error = 0%
> 1 0.05
> mtry = 173      OOB error = 0%
> NaN 0.05
> Error in if (Improve>  improve) { : missing value where TRUE/FALSE
> needed
>
>
> I've used tuneRF successfully before, but in this instance, no matter
> what I change in the parameters, I still get the error above (last
> line). The data has no NAs in it. I'm using R 2.12.0 (64bit-M$ Windows
> 7).
>
> Thanks in advance!
>
> ______________________________________________
> R-help at 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.