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

    my ( $filename, $silent ) = @_;
    $silent //= 1;
    my $matrix = 0;
    my $error = AI::XGBoost::CAPI::RAW::XGDMatrixCreateFromFile( $filename, $silent, \$matrix );
    _CheckCall($error);
    return $matrix;
}

sub XGDMatrixCreateFromMat {
    my ( $data, $missing ) = @_;
    $missing //= "NaN";

    # TODO Support simple arrays
    # TODO Support PDL
    # TODO ¿Adapters?
    my $data_adapter = [ map { @$_ } @$data ];
    my $nrows        = scalar @$data;
    my $ncols        = scalar @{ $data->[0] };
    my $matrix       = 0;
    my $error = AI::XGBoost::CAPI::RAW::XGDMatrixCreateFromMat( $data_adapter, $nrows, $ncols, $missing, \$matrix );
    _CheckCall($error);

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

=item matrix

Bidimensional array

=item label

Array with the labels of the rows of matrix. Optional

=item missing

Value to identify missing values. Optional, default `NaN`

=back

=head2 set_float_info

Set float type property

=head3 Parameters

=over 4