Using Bioconductor To Analyse Beadarray Data: Difference between revisions

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[[Category: R]]
[[Category: R]]
[[Category: Bioinformatics]]
[[Category: Bioinformatics]]
[[Category: Bioconductor]]


==Software Requirements==
==Software Requirements==
*R, get from [[http://cran.r-project.org/ CRAN]]
*R, get from [http://cran.r-project.org/ CRAN]
*Bioconductor, get from [[http://www.bioconductor.org/download Bioconductor]]
*Bioconductor, get from [http://www.bioconductor.org/download Bioconductor]
*Bioconductor packages.  Install as needed:
*Bioconductor packages.  Install as needed:
**beadarray
**beadarray
**limma
**limma
**annotation data for the array (normally illuminaMousev2BeadID.db)
**annotation data for the array (normally illuminaMousev2BeadID.db)
*To install bioconductor packages use:
<pre>
<pre>
source("http://www.bioconductor.org/biocLite.R")
source("http://www.bioconductor.org/biocLite.R")
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data = cbind(anno,data)
data = cbind(anno,data)
write.csv = (data, file = "Filename.csv")
write.csv = (data, file = "Filename.csv")
</pre>
*Remember that the expression set is Log2 adjusted, so to look at absolute expression levels use 2^value.
*Remember that the expression set is Log2 adjusted, so to look at absolute expression levels use 2^value.