abstract class Column extends AutoCloseable
The abstracted XGBoost Column to get the cuda array interface which is used to set the information for DMatrix.
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abstract
def
getArrayInterfaceJson(): String
Get the cuda array interface json string for the Column which can be representing weight, label, base margin column.
Get the cuda array interface json string for the Column which can be representing weight, label, base margin column.
This API will be called by
DMatrix#setLabel(Column)
DMatrix#setWeight(Column)
DMatrix#setBaseMargin(Column)
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