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1 #!/usr/bin/perl -w
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2
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3 #Margaret Antonio 17.01.06 without essentiality. For original, unmodified aggregate.pl output (where unique insertions are not included).
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4
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5 use Getopt::Long;
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6 use Statistics::Distributions;
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7 use strict;
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8 use autodie;
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9 no warnings;
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10
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11 #no warnings;
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12
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13 #ASSIGN INPUTS TO VARIABLES USING FLAGS
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14 our ($input1, $input2, $h, $out, $sortkey, $round, $l1, $l2, $outfile);
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15
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16 GetOptions(
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17 'input1:s' => \$input1,
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18 'input2:s' => \$input2,
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19 'h' => \$h,
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20 'o:s' =>\$outfile,
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21 'r:i'=> \$round,
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22 'l1:s'=>\$l1,
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23 'l2:s'=>\$l2
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24 );
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25
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26 sub print_usage() {
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27 print "\n####################################################################\n";
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28
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29 print "compGenes: compare genes for an organism under different conditions\n\n";
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30 print "DESCRIPTION: Takes two aggregate.pl outputs and compares them by\n";
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31 print "calculating the difference in mean fitness for each gene.\n";
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32 print "Example: compare organism in presence of control vs antibiotic.\n";
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33 print "Note: For different strains/genomes, use compStrains.pl\n";
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34
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35 print "\nUSAGE:";
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36 print "perl compGenes.pl -d inputs/ \n\n";
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37
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38 print "REQUIRED:\n";
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39 print " -d\tDirectory containing all input files (files from\n";
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40 print " \taggregate script)\n";
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41 print " \tOR\n";
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42 print " \tIn the command line (without a flag), input the name(s) of\n";
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43 print " \ttwo files containing aggregate gene fitness values. \n\n";
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44
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45 print "OPTIONAL:\n";
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46 print " -h\tPrints usage and exits program\n";
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47 print " -o\tOutput file for comparison data. Default: label1label2.csv\n";
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48 print " -r\tRound final output numbers to this number of decimals\n";
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49 print " -l1\tLabels for input files. Default: filenames\n";
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50 print " \tTwo strings, comma separated (i.e. -l expt1,expt2).\n";
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51 print " \tOrder should match file order.\n";
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52
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53 print " \n~~~~Always check that file paths are correctly specified~~~~\n";
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54 print "\n##################################################################\n";
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55
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56 }
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57
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58 # Check if help needed or if improper inputs
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59
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60 if ($h){
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61 print_usage();
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62 exit;
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63 }
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64
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65 if (! $outfile){
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66 $outfile="geneComp.csv"
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67 }
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68 $round = '%.4f';
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69
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70 my @files=($input1,$input2);
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71
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72 #GET LABELS: USE (-l) OR USE FILNEAMES AS LABELS FOR COLUMNS IN OUTPUT FILE
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73
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74 my @labels=($l1,$l2);
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75
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76 #CHECK IF REQ. VARIABLES WERE DEFINED USING FLAGS. IF NOT THEN USE DEFAULT VALUES
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77
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78 #$out="comp.".$labels[0].$labels[1].".csv";
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79
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80 #READ INPUT FILES AND PUT GENE INFO FROM EACH LINE INTO HASH %all WHERE KEY=GENE_ID AND
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81 #VALUE=GENE INFO (MEAN FITNESS, # INSERTIONS, ETC.)
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82
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83 my %all;
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84 my @header;
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85
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86 #OPEN TWO COMPARISON FILES, ONE PER LOOP
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87 for (my $i=0; $i<2; $i++){
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88 print "File #",$i+1,"\t";
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89 my $file=$files[$i];
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90 print $file,"\n";
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91
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92 open(DATA, '<', $file) or die "Could not open '$file'\n";
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93
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94 #EXTRACT THE HEADER (COLUMN NAMES) OF THE FILE AND KEEP FOR OUTPUT HEADER
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95 #APPEND FILE NAME OR GIVEN LABEL (-l) TO COLUMN NAME SO ITS DIFFERENT FROM OTHER INPUT FILE
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96
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97 my $head=<DATA>;
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98 my @temp = split("\n",$head);
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99 $head = $temp[0];
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100
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101 my @cols=split(',',$head);
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102 @cols = @cols[0,1,2,3,4,5];
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103 for (my $j=0;$j<scalar @cols;$j++){
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104 $cols[$j]=$cols[$j].'-'.$labels[$i];
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105 }
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106 push (@header,@cols);
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107 while (my $entry = <DATA>) {
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108 chomp $entry;
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109 my @line=split(",",$entry);
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110 if (!$line[5]){
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111 $line[5]="NA";
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112 }
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113
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114 @line=@line[0,1,2,3,4,5];
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115 my $gene=$line[0];
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116 chomp($gene);
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117
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118 #PUT GENE AND INFO INTO THE HASH FOR EXISTING KEY (1ST FILE) OR CREATE NEW KEY (2ND FILE)
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119
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120 if (!exists $all{$gene}){
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121 my @info;
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122 push (@info,@line);
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123 $all{$gene}=\@info;
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124 }
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125 else{
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126 my @info=@{$all{$gene}};
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127 push (@info,@line);
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128 my $diff=sprintf("$round",($info[1]-$info[7]));
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129 my $total1=$info[2];
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130 my $total2=$info[8];
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131 my $sd1=$info[3];
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132 my $se1=$info[4];
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133 my $sd2=$info[9];
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134 my $se2=$info[10];
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135 my $df=$total1+$total2-2;
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136 my $tdist;
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137 my $pval;
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138
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139 # CHECK TO MAKE SURE ALL VARIABLES IN TDIST,PVAL CALCULATIONS ARE NUMBERS AND NO
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140 # ZEROS (0) IN THE DENOMINATOR
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141
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142 if ($se1 eq "X" or $se2 eq "X" or $sd1 eq "X" or $sd2 eq "X" or $total1==0 or $total2==0 or $sd1==0 or $sd2==0 or $df<=0){
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143 ($tdist,$pval)=("NA","NA");
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144 }
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145 else{
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146 $tdist=sqrt((($diff)/(sqrt((($sd1**2)/$total1)+(($sd2**2)/$total2))))**2);
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147
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148 $pval=Statistics::Distributions::tprob($df,$tdist);
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149 }
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150 push (@info,$diff,$df,$tdist,$pval);
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151 $all{$gene}=\@info;
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152 }
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153 }
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154 close DATA;
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155 }
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156
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157 #READ ALL HASH CONTENTS INTO 2D ARRAY FOR EASY SORTING AND PRINTING TO OUT FILE
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158 my @unsorted;
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159
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160 foreach my $entry (keys %all) {
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161 my @info=@{$all{$entry}};
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162 my @temp;
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163 push (@temp,@info);
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164 push (@unsorted,\@temp);
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165 }
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166
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167 #SORT GENES BY PVALUE OR FITNESS DEPENDING ON WHICH FLAG WAS USED IN COMMANDLINE
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168
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169 $sortkey=15; #default: sort by difference of means
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170
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171 my @sorted = sort { $a->[$sortkey] <=> $b->[$sortkey] } @unsorted;
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172
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173 #ADD NEW FIELDS TO HEADER (COLUMN NAMES)
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174 my $field="Mean".$labels[0].'.'.$labels[1];
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175 push (@header,$field,"DOF","TDIST","PVALUE");
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176
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177 #PRINT TO OUT FILE
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178 open OUT, '>',"$outfile";
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179 print OUT (join(',',@header),"\n");
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180 foreach (@sorted){
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181 my @woo=@{$_};
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182 print OUT join(',',@woo),"\n";
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183 }
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184 close OUT;
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185
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186
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