in reply to Re: finding matches in the same array
in thread finding matches in the same array

let's reduce the loops by calculating the average as we move along: 
my %oc;
for (0 .. $#sequence) {
  $oc{$sequence[$_]}[0] =
    ($oc{$sequence[$_]}[0]+$numbers[$_])/(++$oc{$sequence[$_]}[1]);
}
foreach my $seq (keys %oc) {
  print "The average for $seq is ".$oc{$seq}[0].$/;
}

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Re^3: finding matches in the same array
by polettix (Vicar) on Apr 13, 2005 at 18:19 UTC
    This does not seem to be an average :) First item is divided by 1, second divided by 2, third by 3... - maybe it's better to make the division at the end: 
    my %oc;
for (0 .. $#sequence) {
  $oc{$sequence[$_]}[0] += $numbers[$_];
  ++$oc{$sequence[$_]}[1];
}
foreach my $seq (keys %oc) {
  print "The average for $seq is ".($oc{$seq}[0] / $oc{$seq}[1]).$/;
}

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    Flavio (perl -e "print(scalar(reverse('ti.xittelop@oivalf')))")

    Don't fool yourself.
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[d/l]

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