Mercurial > repos > yufei-luo > differential_expression_analysis_pipeline_for_rnaseq_data
diff deseq/differential_expression_analysis_pipeline_for_rnaseq_data-a03838a6eb54/DiffExpAnal/DESeqTools/barplotNul.R @ 10:6e573fd3c41b draft
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author | yufei-luo |
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date | Mon, 13 May 2013 10:06:30 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/deseq/differential_expression_analysis_pipeline_for_rnaseq_data-a03838a6eb54/DiffExpAnal/DESeqTools/barplotNul.R Mon May 13 10:06:30 2013 -0400 @@ -0,0 +1,20 @@ +# barplotNul +# barplot representing null counts per sample + +# input : counts, target, projectName +# output : barplotNul (png) + +# created Feb 7th, 2012 +# modified April 30th, 2012 (target$group instead of target) +# Marie-Anges Dillies + +barplotNul <- function( counts, group, OUT_barplotNulName, out = TRUE ){ + + if (out) png( file=OUT_barplotNulName ) + + N <- apply(counts, 2, function(x){sum(x == 0)})/nrow(counts) + barplot(N, col=as.integer(group)+1, main = "Proportion of null counts per Sample", ylim = c(0,1)) + legend("topright", as.character(unique(group)), lty=1, col=as.integer(unique(group))+1) + + if (out) dev.off() +}