[BioC] PLMset and image function

Seth Falcon sfalcon at fhcrc.org
Tue Mar 13 17:55:49 CET 2007


Edwards.Stephen at epamail.epa.gov writes:

> I tried reinstalling via biocLite("affyPLM"), and I still get the same 
> error.  Here is the information from traceback():
>> traceback()
> 4: stop("argument must be matrix-like")
> 3: image.default(Pset1, which = 2)
> 2: image(Pset1, which = 2)
> 1: image(Pset1, which = 2)

I'm not able to reproduce this either.  The traceback suggests that
what is failing is the dispatch on affyPLM's image method.


Using a fresh R session, can you do:

library(affyPLM)
data(Dilution)
Pset1 <- fitPLM(Dilution)

showMethods("image")

selectMethod("image", signature="PLMset")

+ seth

-- 
Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research Center
http://bioconductor.org



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