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1 #!/usr/bin/perl
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2 use strict;
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3 use POSIX;
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4
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5 my $usage = "cluster.pair.pl maxdist\n";
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6 my $maxdist = shift or die $usage;
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7
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8 my %count;
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9
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10 while (<STDIN>){
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11 chomp;
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12 my ($sample, $chrstart, $start, $chrend, $end) = split /\t/;
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13 my $nstart = floor ($start/$maxdist);
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14 my $nend = floor ($end/$maxdist);
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15 my $coord = {start=>$start, end=>$end};
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16
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17 push @{$count{$chrstart}->{$nstart}->{$chrend}->{$nend}->{$sample}}, $coord;
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18 }
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19
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20 print_groups (\%count);
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21
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22 sub print_groups {
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23 my ($rcount) = @_;
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24 my %count = %{$rcount};
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25
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26 foreach my $chrstart (sort {$a<=>$b} keys %count) {
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27 foreach my $posstart (sort {$a<=>$b} keys %{$count{$chrstart}}) {
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28 my %fcoord = %{$count{$chrstart}->{$posstart}};
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29
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30 foreach my $chrend (sort {$a<=>$b} keys %fcoord) {
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31 foreach my $posend (sort {$a<=>$b} keys %{$fcoord{$chrend}}){
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32 my @nsamples = sort {$a cmp $b} (keys %{$fcoord{$chrend}->{$posend}});
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33
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34 my $cpos = $fcoord{$chrend}->{$posend};
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35
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36 my @coords;
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37 my $totnum=0;
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38
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39 foreach my $sample (@nsamples) {
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40 my ($num, $avgx, $avgy) = calc_moments(@{$cpos->{$sample}});
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41 push (@coords, {start=>$avgx, end=>$avgy});
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42 $totnum+=$num;
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43 }
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44
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45 my ($num, $avgx, $avgy) = calc_moments(@coords);
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46
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47 print $chrstart."\t".$avgx."\t".$chrend."\t".$avgy ."\t".$num."\t".$totnum."\t" ;
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48
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49 print $_."\t" foreach (@nsamples);
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50 print "\n";
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51 }
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52 }
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53 }
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54 }
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55 }
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56
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57 sub calc_moments {
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58 my (@pos) = @_;
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59
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60 my ($num, $sumx, $sumy) = (0,0,0);
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61 foreach my $cpos (@pos) {
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62 $num++;
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63 $sumx+=$cpos->{start};
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64 $sumy+=$cpos->{end};
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65 }
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66 my $avgx = sprintf ("%d", $sumx/$num);
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67 my $avgy = sprintf ("%d", $sumy/$num);
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68
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69 return ($num, $avgx, $avgy);
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70 }
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