png("/sonas-hs/bsr/hpc/data/yjin/test_BAMqc/exp/test1/figs/smp0.mapq_profile.png",width=500,height=500,units="px")
mapq_val=c(0,1,3,255)
mapq_count=c(573,3442,9322,64349)
xname=c("<3","<10","<20","<30","30-255")
freq = rep(0,5)
freq[1] = sum(mapq_count[which(mapq_val<3)])/77686*100
freq[2] = sum(mapq_count[which(mapq_val<10)])/77686*100
freq[3] = sum(mapq_count[which(mapq_val<20)])/77686*100
freq[4] = sum(mapq_count[which(mapq_val<30)])/77686*100
freq[5] = 100
barplot(freq,beside=T,xlab="Mapping Quality",border="NA",space=1.5,main="Mapping Quality",ylim=c(0,100),ylab="Cumulative proportion (%)",col="blue",names.arg=xname)
dev.state=dev.off()