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List:       bioconductor
Subject:    Re: [BioC] pearson correlation.
From:       Laurent Gautier <lgautier () altern ! org>
Date:       2004-07-27 4:04:15
Message-ID: 4105D43F.7000206 () altern ! org
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Dixon, Dr R. wrote:
> Hi Bioconductor,
> 
> i am new to the Bioconductor world and have a question i hope you can help me with.
> I wish to compute the pearson correlation of the expression values between a gene \
> of interest and a number of other genes in a number of experiments. 
> Can someone direct me to the relevant Bioconductor package ?

R base is enough to do so, however the data structures in Biobase are 
convenient to handle your data:

library(Biobase)
data(eset)
got <- "AFFX-MurIL2_at"  # Gene Of inTerest
mycor <- apply(exprs(eset), 1, cor, y=exprs(eset)[got, ])




L.



> Thankyou
> Rick
> ____________________________________
> 
> Dr. Richard Dixon
> 
> Dept. of Cardiovascular Sciences,
> University of Leicester, 
> Clinical Sciences Wing,
> Glenfield Hospital,
> Leicester, LE3 9QP
> UK
> 
> Tel: (0116) 250 2541
> Fax: (0116) 287 5792
> e-mail: rd67@le.ac.uk
> 
> _______________________________________________
> Bioconductor mailing list
> Bioconductor@stat.math.ethz.ch
> https://www.stat.math.ethz.ch/mailman/listinfo/bioconductor
> 


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