[BioC] How to filter genes according to the intensities of both
channels for cDNA array?
Kasper Daniel Hansen
k.hansen at biostat.ku.dk
Fri May 6 18:51:13 CEST 2005
On Fri, May 06, 2005 at 06:14:34AM -0400, Sean Davis wrote:
> zraw.normrg$M[(zraw$R<200) | (zraw$G<200)] <- NA
The preferred way is to use
is.na(x) <- TRUE
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