AI-XGBoost

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LICENSE  view on Meta::CPAN

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lib/AI/XGBoost/Booster.pm  view on Meta::CPAN

 # For binay classification predictions are probability confidence scores in [0, 1]
 #  indicating that the label is positive (1 in the first column of agaricus.txt.test)
 my $predictions = $booster->predict(data => $test_data);
 
 say join "\n", @$predictions[0 .. 10];

=head1 DESCRIPTION

Booster objects control training, prediction and evaluation

Work In Progress, the API may change. Comments and suggestions are welcome!

=head1 METHODS

=head2 update

Update one iteration

=head3 Parameters

=over 4

lib/AI/XGBoost/Booster.pm  view on Meta::CPAN

Returns all attributes of the booster as a HASHREF

=head2 TO_JSON

Serialize the booster to JSON.

This method is to be used with the option C<convert_blessed> from L<JSON>.
(See L<https://metacpan.org/pod/JSON#OBJECT-SERIALISATION>)

Warning: this API is subject to changes

=head2 BUILD

Use new, this method is just an internal helper

=head2 DEMOLISH

Internal destructor. This method is called automatically

=head1 AUTHOR

lib/AI/XGBoost/DMatrix.pm  view on Meta::CPAN

=head1 SYNOPSIS

    use aliased 'AI::XGBoost::DMatrix';
    my $train_data = DMatrix->FromFile(filename => 'agaricus.txt.train');

=head1 DESCRIPTION

XGBoost DMatrix perl model

Work In Progress, the API may change. Comments and suggestions are welcome!

=head1 METHODS

=head2 From

Construct a DMatrix from diferent sources. Based on parameters
dispatch to the correct From* method

Refer to From* to see what can be done.