Mercurial > repos > xuebing > bed_size_stat

annotate bed_size_stat.py @ 1:b1da797d49a5

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author xuebing
date Sat, 31 Mar 2012 14:02:27 -0400
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children cce2eabe8b8d
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1 '''
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2 plot histogram of interval size
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3 '''
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4
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5 import os,sys
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6
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7 inputfile = sys.argv[1]
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8 outputfile = sys.argv[2]
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9
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10 rf = open('tmp.r','w')
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11 rf.write("x <- read.table('"+inputfile+"')\n")
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12 rf.write("len <- x[,3]-x[,2]\n")
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13 rf.write("pdf('"+outputfile+"')\n")
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14 rf.write("hist(len,breaks=100,xlab='interval size',main=paste('mean=',mean(len),sep=''))\n")
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15 rf.write("dev.off()")
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16 rf.close()
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17 os.system("R --vanilla < tmp.r")
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18 os.system('rm tmp.r')