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!
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