Statistics::Contingency 0.06

Statistics::Contingency is a Perl module to calculate precision, recall, F1, accuracy, etc. SYNOPSIS use Statistics::Contingen

Developer:	Ken Williams more software by author →
Price:	0.00
License:	Perl Artistic License
File size:	7K
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Statistics::Contingency is a Perl module to calculate precision, recall, F1, accuracy, etc.

SYNOPSIS

use Statistics::Contingency;
my $s = new Statistics::Contingency(categories => @all_categories);

while (...something...) {
...
$s->add_result($assigned_categories, $correct_categories);
}

print "Micro F1: ", $s->micro_F1, "n"; # Access a single statistic
print $s->stats_table; # Show several stats in table form

The Statistics::Contingency class helps you calculate several useful statistical measures based on 2x2 "contingency tables". I use these measures to help judge the results of automatic text categorization experiments, but they are useful in other situations as well.

The general usage flow is to tally a whole bunch of results in the Statistics::Contingency object, then query that object to obtain the measures you are interested in. When all results have been collected, you can get a report on accuracy, precision, recall, F1, and so on, with both macro-averaging and micro-averaging over categories.

Requirements:

Perl
tags

statistics contingency the statistics precision recall

Download Statistics::Contingency 0.06

http://mirrors.evolva.ro/CPAN/authors/id/K/KW/KWILLIAMS/Statistics-Contingency-0.06.tar.gz

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