Steve,

	What Jim MacDonald told me worked. 
He wrote:


library(BiocInstaller)
biocLite(character(0)) # <- that's a zero BTW.
and answer 'a' to the request to upgrade.

If that doesn't help, let us know.

I let him know  off-line that it worked.

Thanks!

Merry Christmas,
Rich

Richard A. Friedman, PhD
Associate Research Scientist,
Biomedical Informatics Shared Resource
Herbert Irving Comprehensive Cancer Center (HICCC)
Lecturer,
Department of Biomedical Informatics (DBMI)
Educational Coordinator,
Center for Computational Biology and Bioinformatics (C2B2)/
National Center for Multiscale Analysis of Genomic Networks (MAGNet)/
Columbia Initiative in Systems Biology
Room 824
Irving Cancer Research Center
Columbia University
1130 St. Nicholas Ave
New York, NY 10032
(212)851-4765 (voice)
friedman@cancercenter.columbia.edu
http://cancercenter.columbia.edu/~friedman/

In memoriam, Ray Bradbury

On Dec 21, 2012, at 10:09 AM, Steve Lianoglou wrote:

> Hi Richard,
> 
> On Thu, Dec 20, 2012 at 12:57 PM, Richard Friedman
> <friedman@cancercenter.columbia.edu> wrote:
>> Dear List,
>> 
>>        I got an error message in trying to load affycoretools:
>> 
>> Hence plotPCA wouldn't work. I am running on a Mac
>> with OS 10.7.5.
> 
> Works for me (running on the same OS, even ;-)
> 
> What version of affycoretools do you have installed? You can check by
> punching this into the R console:
> 
> R> packageVersion("affycoretools")
> 
> -steve
> 
> -- 
> Steve Lianoglou
> Graduate Student: Computational Systems Biology
> | Memorial Sloan-Kettering Cancer Center
> | Weill Medical College of Cornell University
> Contact Info: http://cbio.mskcc.org/~lianos/contact


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