Something similar to k-means can be archieved with Statistics::Descriptive and its frequency_distribution.
use Statistics::Descriptive;
$stat = Statistics::Descriptive::Full->new();
$stat->add_data( split /,/, <DATA> );
%f = $stat->frequency_distribution(4);
$min = 0;
for ( sort { $a <=> $b } keys %f ) {
printf "[%d\t-%d\t] %d\n", $min, $_, $f{$_};
$min = $_ + 1;
}
__DATA__
0, 12, 25, 38, 50, 62, 75, 88, 100
__END__
# prints
[0 -25 ] 3
[26 -50 ] 2
[51 -75 ] 2
[76 -100 ] 2
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