This is a small module for a small but very common task: counting things, in another words, frequencies. Sure, you can $freq{$elem}++ yourself, but what if you need to normalize the frequencies, or what if you have several frequencies you want to combine? Statistics::Frequency to rescue. Copyright (C) 2002-2015, Jarkko Hietaniemi This library is free software; you can redistribute it and/or modify it under the same terms as Perl 5.18.3.