annotate rank_terms.py @ 22:95a05c1ef5d5

update to devshed revision aaece207bd01
author Richard Burhans <burhans@bx.psu.edu>
date Mon, 11 Mar 2013 11:28:06 -0400
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children 248b06e86022
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22
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3 #
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4 # GOFisher.py
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5 #
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6 # Copyright 2013 Oscar Reina <oscar@niska.bx.psu.edu>
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7 #
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8 # This program is free software; you can redistribute it and/or modify
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9 # it under the terms of the GNU General Public License as published by
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10 # the Free Software Foundation; either version 2 of the License, or
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11 # (at your option) any later version.
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12 #
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13 # This program is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 # GNU General Public License for more details.
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17 #
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18 # You should have received a copy of the GNU General Public License
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19 # along with this program; if not, write to the Free Software
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20 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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21 # MA 02110-1301, USA.
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22
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23 import argparse
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24 import os
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25 import sys
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26 from fisher import pvalue
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27 from decimal import Decimal,getcontext
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28
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29 def rtrnGOcENSEMBLc(inExtnddfile,columnENSEMBLTExtndd,columnGOExtndd):
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30 """
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31 """
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32 dGOTENSEMBLT={}
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33 for eachl in open(inExtnddfile,'r'):
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34 if eachl.strip():
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35 ENSEMBLT=eachl.splitlines()[0].split('\t')[columnENSEMBLTExtndd]
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36 GOTs=set(eachl.splitlines()[0].split('\t')[columnGOExtndd].split('.'))
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37 GOTs=GOTs.difference(set(['','U','N']))
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38 for GOT in GOTs:
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39 try:
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40 dGOTENSEMBLT[GOT].add(ENSEMBLT)
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41 except:
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42 dGOTENSEMBLT[GOT]=set([ENSEMBLT])
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43 #~
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44 ##dGOTENSEMBLT.pop('')
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45 ENSEMBLTGinGO=set.union(*dGOTENSEMBLT.values())
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46 return dGOTENSEMBLT,ENSEMBLTGinGO
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47
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48 def rtrnENSEMBLcSAPs(inSAPsfile,columnENSEMBLT,ENSEMBLTGinGO):
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49 """
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50 returns a set of the ENSEMBLT codes present in the input list and
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51 in the GO file
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52 """
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53 sENSEMBLTSAPsinGO=set()
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54 for eachl in open(inSAPsfile,'r'):
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55 ENSEMBLT=eachl.splitlines()[0].split('\t')[columnENSEMBLT]
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56 if ENSEMBLT in ENSEMBLTGinGO:
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57 sENSEMBLTSAPsinGO.add(ENSEMBLT)
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58 return sENSEMBLTSAPsinGO
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59
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60 def rtrnCounts(dGOTENSEMBLT,ENSEMBLTGinGO,sENSEMBLTSAPsinGO):
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61 """
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62 returns a list of the ENSEMBLT codes present in the input list and
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63 in the GO file. The terms in this list are: 'Go Term','# Genes in
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64 the GO Term','# Genes in the list and in the GO Term','Enrichement
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65 of the GO Term for genes in the input list','Genes in the input list
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66 present in the GO term'
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67 """
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68 getcontext().prec=2#set 2 decimal places
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69 SAPs_all=len(sENSEMBLTSAPsinGO)
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70 NoSAPs_all=len(ENSEMBLTGinGO)-SAPs_all
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71 #~
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72 lp=len(dGOTENSEMBLT)
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73 cnt=0
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74 #~
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75 ltfreqs=[]
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76 for echGOT in dGOTENSEMBLT:
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77 cnt+=1
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78 ##print 'Running "%s", %s out of %s'%(echGOT,cnt,lp)
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79 CntGO_All=len(dGOTENSEMBLT[echGOT])
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80 SAPs_GO=len(dGOTENSEMBLT[echGOT].intersection(sENSEMBLTSAPsinGO))
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81 NoSAPs_GO=CntGO_All-SAPs_GO
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82 pval=pvalue(SAPs_GO,NoSAPs_GO,SAPs_all,NoSAPs_all)
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83 #~ outl.append('\t'.join([str(x) for x in(str(pval.two_tail),CntGO_All,SAPs_GO,'.'.join(sorted(dGOTENSEMBLT[echGOT].intersection(sENSEMBLTSAPsinGO))),echGOT)]))
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84 ltfreqs.append([(SAPs_GO/Decimal(CntGO_All)),SAPs_GO,Decimal(str(pval.two_tail))*1,echGOT])
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85 #~
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86 ltfreqs.sort()
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87 ltfreqs.reverse()
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88 outl=[]
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89 cper,crank=Decimal('2'),0
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90 #~
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91 for perc,cnt_go,pval,goTerm in ltfreqs:
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92 if perc<cper:
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93 crank+=1
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94 cper=perc
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95 outl.append('\t'.join([str(cnt_go),str(perc),str(crank),str(pval),goTerm]))
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96 #~
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97 return outl
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98
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99
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100 def main():
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101 #~
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102 parser = argparse.ArgumentParser(description='Returns the count of genes in GO categories and their statistical overrrepresentation, from a list of genes and an extended file (i.e. plane text with ENSEMBLT and GO terms).')
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103 parser.add_argument('--input',metavar='input TXT file',type=str,help='the input file with the table in txt format.',required=True)
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104 parser.add_argument('--inExtnddfile',metavar='input TXT file',type=str,help='the input file with the extended table in txt format.',required=True)
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105 parser.add_argument('--output',metavar='output TXT file',type=str,help='the output file with the table in txt format.',required=True)
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106 parser.add_argument('--columnENSEMBLT',metavar='column number',type=int,help='column with the ENSEMBL transcript code in the input file.',required=True)
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107 parser.add_argument('--columnENSEMBLTExtndd',metavar='column number',type=int,help='column with the ENSEMBL transcript code in the extended file.',required=True)
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108 parser.add_argument('--columnGOExtndd',metavar='column number',type=int,help='column with the GO terms in the extended file.',required=True)
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109
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110 args = parser.parse_args()
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111
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112 inSAPsfile = args.input
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113 inExtnddfile = args.inExtnddfile
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114 saleGOPCount = args.output
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115 columnENSEMBLT = args.columnENSEMBLT
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116 columnENSEMBLTExtndd = args.columnENSEMBLTExtndd
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117 columnGOExtndd = args.columnGOExtndd
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118
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119 #~
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120 dGOTENSEMBLT,ENSEMBLTGinGO=rtrnGOcENSEMBLc(inExtnddfile,columnENSEMBLTExtndd,columnGOExtndd)
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121 sENSEMBLTSAPsinGO=rtrnENSEMBLcSAPs(inSAPsfile,columnENSEMBLT,ENSEMBLTGinGO)
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122 outl=rtrnCounts(dGOTENSEMBLT,ENSEMBLTGinGO,sENSEMBLTSAPsinGO)
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Richard Burhans <burhans@bx.psu.edu>
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123 #~
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124 saleGOPCount=open(saleGOPCount,'w')
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125 saleGOPCount.write('\n'.join(outl))
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Richard Burhans <burhans@bx.psu.edu>
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126 saleGOPCount.close()
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127 #~
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Richard Burhans <burhans@bx.psu.edu>
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128 return 0
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Richard Burhans <burhans@bx.psu.edu>
parents:
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129
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Richard Burhans <burhans@bx.psu.edu>
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130 if __name__ == '__main__':
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Richard Burhans <burhans@bx.psu.edu>
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131 main()
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Richard Burhans <burhans@bx.psu.edu>
parents:
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132