[BioC] subset of RG - limma

michael watson (IAH-C) michael.watson at bbsrc.ac.uk
Fri Dec 22 10:35:07 CET 2006


RG$weights is a matrix of values, as is RG$R, RG$G etc etc


You are filtering RG by it's rows, using a whole matrix to subset it!

If you want to subset on the first column of weights, try:



-----Original Message-----
From: bioconductor-bounces at stat.math.ethz.ch [mailto:bioconductor-bounces at stat.math.ethz.ch] On Behalf Of João Fadista
Sent: 22 December 2006 09:30
To: bioconductor at stat.math.ethz.ch
Subject: [BioC] subset of RG - limma

Dear all,
I would like to know how can I take out from my RGList all the rows where RG$weights<= 0.1
I tried this but it doesn´t work:
> RG[RG$weights>0.1,] 
Error in `[.RGList`(RG, RG$weights > 0.1, ) : 
        (subscript) logical subscript too long

Best regards

João Fadista
Ph.d. student

 	 Danish Institute of Agricultural Sciences	
Research Centre Foulum	
Dept. of Genetics and Biotechnology	
Blichers Allé 20, P.O. BOX 50	
DK-8830 Tjele	
Phone:	 +45 8999 1900	
Direct:	 +45 8999 8999	
E-mail:	 Joao.Fadista at agrsci.dk <mailto:Joao.Fadista at agrsci.dk> 	
Web:	 www.agrsci.org <http://www.agrsci.org/> 	

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