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

=head1 FUNCTIONS

=head2 XGBGetLastError

Get string message of the last error

All functions in this file will return 0 when success
and -1 when an error occurred,
XGBGetLastError can be called to retrieve the error

This function is thread safe and can be called by different thread

Returns string error information

=head2 XGDMatrixCreateFromFile

Load a data matrix

Parameters:

=over 4

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

number columns

=item missing

which value to represent missing value

=item out

created dmatrix

=item nthread

number of threads (up to maximum cores available, if <=0 use all cores)

=back

=head2 XGDMatrixSliceDMatrix

Create a new dmatrix from sliced content of existing matrix

Parameters:

=over 4