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i.e. cardinality, etc.

=item C<statistical_summary>

A statistical summary of the classification results, including
all predicted outcomes with their scores and percentages and
the total score for all outcomes. Whether the predicted class is
correct, incorrect, or a tie is also included, if the test item
had a known class.

=item C<analogical_set_summary>

The analogical set, showing all items that contributed to the predicted
outcome, along with the amount contributed by each item (score and
percentage overall).

=item C<gang_summary>

A summary of the gang effects on the outcome prediction.

=item C<gang_detailed>

Same as C<gang_summary>, but also includes lists of exemplars for each
gang.

=back

=item C<include_given>

Allow a test item to be included in the data set during classification.
If false (default), test items will be removed from the dataset during
classification.

=item C<include_nulls>

Treat null variables in a test item as regular variables. If false (default),
these variables will be excluded and not considered during classification.

=item C<linear>

Calculate scores using I<occurrences> (linearly) instead of using I<pointers>
(quadratically).

=item C<help> or C<?>

print help message

=back

=head2 EXAMPLES

This distribution comes with a sample dataset in the C<datasets/soybean>
directory. Data exemplars are in C<data> and a single test exemplar is in C<test>.
The files are in the C<commas> format. The following two commands are equivalent
and will analyze the test exemplar and output a summary of gang effects to C<gang.txt>:

    analogize --exemplars datasets/soybean/data --test datasets/soybean/test --format commas --print gang_summary > gang.txt

    analogize --project datasets/soybean --format commas --print gang_summary > gang.txt

The resulting files are best viewed in a text editor with word wrap turned I<off>.

=head1 AUTHOR

Theron Stanford <shixilun@yahoo.com>, Nathan Glenn <garfieldnate@gmail.com>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2021 by Royal Skousen.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut