hivemall.xgboost.utils

Class DenseDMatrixBuilder

java.lang.Object

hivemall.xgboost.utils.DMatrixBuilder

hivemall.xgboost.utils.DenseDMatrixBuilder

public final class DenseDMatrixBuilder
extends DMatrixBuilder

Constructor Summary

Constructors

Constructor and Description
DenseDMatrixBuilder(int initSize)

Method Summary

Modifier and Type	Method and Description
ml.dmlc.xgboost4j.java.DMatrix	buildMatrix(float[] labels)
DenseDMatrixBuilder	nextColumn(int col, float value)
DenseDMatrixBuilder	nextRow()

Methods inherited from class hivemall.xgboost.utils.DMatrixBuilder

checkColIndex, nextColumn, nextRow, nextRow, nextRow

Methods inherited from class java.lang.Object

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

Constructor Detail

DenseDMatrixBuilder

public DenseDMatrixBuilder(@Nonnegative
                           int initSize)

Method Detail

nextColumn

public DenseDMatrixBuilder nextColumn(@Nonnegative
                                      int col,
                                      float value)

Specified by:

nextColumn in class DMatrixBuilder

nextRow

public DenseDMatrixBuilder nextRow()

Specified by:

nextRow in class DMatrixBuilder

buildMatrix

public ml.dmlc.xgboost4j.java.DMatrix buildMatrix(@Nonnull
                                                  float[] labels)
                                           throws ml.dmlc.xgboost4j.java.XGBoostError

Specified by:

buildMatrix in class DMatrixBuilder

Throws:

ml.dmlc.xgboost4j.java.XGBoostError