extract raw expression values in oligo package
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queso012 • 0
@queso012-7191
Last seen 5.8 years ago
United States

Hi,

 

How can we extract raw expression values in the oligo package?

 

I have Affymetrix, ST arrays and would like to obtain a matrix of raw expression values.

 

I tried the exprs function, however that gave me a million rows for the probes…I guess it wasn't summarized into probesets yet?.

raw.expr=exprs(raw) # this did not work

I appreciate the insight.

Thanks!

 

R version 3.2.1 (2015-06-18)
Platform: x86_64-apple-darwin10.8.0 (64-bit)
Running under: OS X 10.7.5 (Lion)

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

oligo affymetrix raw expression • 935 views
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You will have to clarify what you want, as 'raw expression values' can mean any number of things.

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