[BioC] Class Library Problem

[Adaikalavan Ramasamy]

I think this might be a typo. Try "exprs" instead of "expres".


On Thu, 2004-06-17 at 17:06, Moore, Stephen wrote:
> Dear all,
> 
> We have been investigating various ways of carrying out supervised clustering analysis in R.  We have been  working through the 'machine learning lab' manual and under the section of k nearest neighbours, there are example commands as shown below:
> 
> > library(class)
> > knn1<-knn(t(expres(trainSet)),t(exprs(testSet)),trainY,k=1)
> 
> When we type these commands within R we get the following error message:
> 
> "Error in t(expres(trainSet)) : couldn't find function "expres"."
> 
> Is this a case of example commands and that the datasets to which it is referring do not actually exist or is there a problem on our part.  Does anyone know of examples that have datasets that we can practice on?
> 
> For reference we are using R version 1.9.0 and the library CLASS is the latest release.
> 
> Many Thanks for your time and help.
> 
> Stephen Moore
> 
> Dr. Stephen Moore
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