view alignvis.r @ 12:2f4ea569f048

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author xuebing
date Sat, 10 Mar 2012 08:10:44 -0500
parents b7f1d9f8f3bc
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args <- commandArgs(TRUE)
x <- read.table(args[1])
pdf(args[2])
#visualize the profile with heatmap 
srt <- sort(x[,2],index.return=T) # sort by total number of reads
image(-t(log(as.matrix(x[srt$ix[1:nrow(x)],3:ncol(x)],nc=ncol(x)-2))),col=gray.colors(100))
dev.off()