ml.dmlc.xgboost4j.java

Class Column

java.lang.Object

ml.dmlc.xgboost4j.java.Column

All Implemented Interfaces:

AutoCloseable

public abstract class Column
extends Object
implements AutoCloseable

The abstracted XGBoost Column to get the cuda array interface which is used to set the information for DMatrix.

Constructor Summary

Constructors

Constructor and Description
Column()

Method Summary

Modifier and Type	Method and Description
void	close()
abstract String	getArrayInterfaceJson() Get the cuda array interface json string for the Column which can be representing weight, label, base margin column.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Column

public Column()

Method Detail

getArrayInterfaceJson

public abstract String getArrayInterfaceJson()

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)

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception