File Coverage

blib/lib/Bag/Similarity/Dice.pm

Criterion	Covered	Total	%
statement	11	11	100.0
branch			n/a
condition			n/a
subroutine	4	4	100.0
pod	1	1	100.0
total	16	16	100.0

package Bag::Similarity::Dice;

use strict;
use warnings;

use parent 'Bag::Similarity';

our $VERSION = '0.021';

sub from_bags {
  my ($self, $set1, $set2) = @_;

  # $dice = ($intersection * 2 / $combined_length);
  return (
    $self->intersection($set1,$set2) * 2 / $self->combined_length($set1,$set2)
  );
}

1;


__END__