[BioC] \"normalize a subset of affy data\" AND \"R help function\"

mjonczyk mjonczyk at biol.uw.edu.pl
Fri Nov 18 18:20:52 CET 2011

Hi Anup,

>  I am
> able to normalize pm_filter subset by using RMA method, however MAS5 
> is not working.
>    For RMA method, I used the following commend:  
> est<-rma(affydata,subset=pm_filter).  Could any help me;
> how do I do this by using MAS5 method?
> Regards,
> Anup Som
> Rostock, Germany
>  -- output of sessionInfo():
> My help function is not working. How do I fix it?
> ?rma
> Error in shell.exec(url) :
>   '' not found

For me it seems that code for this function is missing in your 
installation of affy.
Try to reinstall it.

Also, please provide your code for MAS5 normalization and error message 
- it'll help you to receive helpful reply.

Best wishes,
Maciej Jonczyk,
Department of Plant Molecular Ecophysiology
Faculty of Biology, University of Warsaw
02-096 Warsaw, Miecznikowa 1

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