[BioC] xval

[Wolfgang Huber]

Dear mpg33

Please can you provide a self-contained set of commands to that result
in your error message, for others to reproduce it, and the output of
sessionInfo(). It is also considered polite to sign with your name.

Best wishes
 Wolfgang

------------------------------------------------------------------
Wolfgang Huber  EBI/EMBL  Cambridge UK  http://www.ebi.ac.uk/huber



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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