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Hi all, Im a bioinformatician at a research centre.So I am trying to build a supertree using the algorithm "TreeConstruct" described in section 7.2.3 of this article - http://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=0772DCA9649E3596FE5319A41B0F3193?doi=10.1.1.135.7740&rep=rep1&type=pdf

I have managed to write a code to read the triplets and display the connections (ignoring redundancy)

use strict; use warnings; @ARGV = ('a,b|c', 'c,d|e', 'a,d|e') unless @ARGV; my %HoA; foreach ( @ARGV ) { m/^([a-z])[,]([a-z])[|]([a-z])$/ ; push @{$HoA{$1}}, $2; } print "\n===========\@HoA=====\n"; print "from->to\n"; while (my ($key, $values) = each %HoA) { print $key, "=> [", join(',', @$values), "]\n"; } -----------OUTPUT---------- [hzing@localhost perl]$ perl input.pl ===========@HoA===== from->to c=> [d] a=> [b,d]
But Im not able to proceed beyond this point. Especially the second and third step of the algorithm are very difficult for me to implement. Please help

In reply to phylogenetic tree construction using perl by zing

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