[BioC] limma
Naomi Altman
naomi at stat.psu.edu
Mon Nov 27 18:19:29 CET 2006
I usually do this using an indicator function.
e.g.
select=(eBayes.out$coef[,1]>1) #
selects genes for which the first coef is bigger than 1
MA[select,] # is the set of genes for which select=T
MA[!select,] # is the set of genes for which select=F
--Naomi
At 11:42 AM 11/27/2006, Sean Davis wrote:
>On Monday 27 November 2006 11:28, João Fadista
>wrote: > Dear all, > > Does anybody know how can
>I remove values from an MAList? > I want to
>remove some values from a column in MA$genes
>dataframe, and > consequently remove those rows
>from MA$genes and MA$M. Subsetting works fine
>with MAList objects, I think. To remove the
>first five genes, you would do something like:
>MA[-c(1:5),] To remove the first five samples,
>you could do something like: MA[,-c(1:5)] In
>other words, rows are genes and columns are
>samples. Sean
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Naomi S. Altman 814-865-3791 (voice)
Associate Professor
Dept. of Statistics 814-863-7114 (fax)
Penn State University 814-865-1348 (Statistics)
University Park, PA 16802-2111
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