[BioC] PLMset and image function

[James W. MacDonald]

Hi Stephen,

Edwards.Stephen at epamail.epa.gov wrote:
> This may be a known issue, but I'm trying to use the image function with 
> PLMset objects in R2.5 and get the following error:  argument must be 
> matrix-like.
> 
> 
>>data(Dilution)
>>Pset1 <- fitPLM(Dilution)
>>image(Pset1, type = "weights", which = 3)
> 
> Error in image.default(Pset1, type = "weights", which = 3) : 
>         argument must be matrix-like

I can get this to work on both win32 and 64 bit linux with this version 
of affyPLM. You might try re-installing affyPLM. Another useful bit of 
info would be a traceback() after the error (if a re-install doesn't help).

Best,

Jim


-- 
James W. MacDonald, M.S.
Biostatistician
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109
734-647-5623


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