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comparison SMART/DiffExpAnal/DESeqTools/barplotNul.R @ 18:94ab73e8a190

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author m-zytnicki
date Mon, 29 Apr 2013 03:20:15 -0400
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17:b0e8584489e6 18:94ab73e8a190
1 # barplotNul
2 # barplot representing null counts per sample
3
4 # input : counts, target, projectName
5 # output : barplotNul (png)
6
7 # created Feb 7th, 2012
8 # modified April 30th, 2012 (target$group instead of target)
9
10 barplotNul <- function( counts, group, OUT_barplotNulName, out = TRUE ){
11
12 if (out) png( file=OUT_barplotNulName )
13
14 N <- apply(counts, 2, function(x){sum(x == 0)})/nrow(counts)
15 barplot(N, col=as.integer(group)+1, main = "Proportion of null counts per Sample", ylim = c(0,1))
16 legend("topright", as.character(unique(group)), lty=1, col=as.integer(unique(group))+1)
17
18 if (out) dev.off()
19 }