I seem to recall that rfImpute() can sometimes come up with NAs at some
point in the iterations. Could you please send me a (small) set of
data/code that reproduces the problem?
Andy
From: Eric Turkheimer>
> I am having trouble with the rfImpute function in the
> randomForest package.
> Here is a sample...
>
> clunk.roughfix<-na.roughfix(clunk)
> >
> > clunk.impute<-rfImpute(CONVERT~.,data=clunk)
> ntree OOB 1 2
> 300: 26.80% 3.83% 85.37%
> ntree OOB 1 2
> 300: 18.56% 5.74% 51.22%
> Error in randomForest.default(xf, y, ntree = ntree, ...,
> do.trace = ntree,
> :
> NA not permitted in predictors
>
> So roughFix works, but rfImpute doesn't....
>
> Thanks,
> Eric
> ent3c *at* virginia.edu
>
> --
> Eric Turkheimer, PhD
> Department of Psychology
> University of Virginia
> PO Box 400400
> Charlottesville, VA 22904-4400
>
> 434-982-4732
> 434-982-4766 (FAX)
>
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