i fix my problem thanks for all this is the solution i found: 

 foreach my $sample_geno_group(keys(%hash_geno_group))
{
    print $sample_geno_group. "\n";
    foreach my $cds  (keys %{$hash_geno_group{$sample_geno_group}})
    {
        print "cds   ".$cds. "\n";
        next if ($cds eq "sample");
        my $RC = 0;
        $RC += $hash_geno_group{$sample_geno_group}{$cds}{"rc"};
        print "rc     ".$RC. "\n";
        #verification du nombre minimun de reads pour chaque groupe ge
+notypique
        if ($RC < $seuil_min_classe)
        {

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In reply to Re^4: Can't use string ("0") as a HASH ref while "strict refs" problem by etricaen
in thread Can't use string ("0") as a HASH ref while "strict refs" problem by etricaen

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