Re: [R] Read in 250K snp chips

From: James W. MacDonald <>
Date: Fri, 25 May 2007 12:00:04 -0400

bhiggs wrote:
> I'm having trouble getting summaries out of the 250K snp chips in R. I'm
> using the oligo package and when I attempt to create the necessary SnpQSet
> object (to get genotype calls and intensities) using snprma, I encounter
> memory issues.
> Anyone have an alternative package or workaround for these large snp chips?

Oligo is a Bioconductor package, so you should probably direct questions on the Bioconductor-help listserve rather than R-help.



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

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Received on Fri 25 May 2007 - 16:05:26 GMT

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