[BioC] xval

Robert Gentleman rgentlem at fhcrc.org
Wed Oct 4 18:02:14 CEST 2006

not really, and
1) please read the posting guide so you know to give us enough 
information to answer
2) if you post anonymously, I at least will not answer your questions

best wishes

mpg33 at drexel.edu wrote:
> I am attempting to use the xval function to run knnB on an exprSet object.  The command line given by the help file doesnt seem to work.  When I run 
> lk1<- xval(smallG, 'ALL.AML', knnB, xvalMethod='LOO', group=as.integer(0))
> I get the error Error in xval(smallG, "ALL.AML", knnB, xvalMethod = "LOO", group = as.integer(0)) : 
>         no direct or inherited method for function 'xval' for this call
> Any idea what the problem could be?
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Robert Gentleman, PhD
Program in Computational Biology
Division of Public Health Sciences
Fred Hutchinson Cancer Research Center
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PO Box 19024
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rgentlem at fhcrc.org

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