hex.tree.xgboost.matrix

Class SparseMatrixFactory.SparseDMatrixProvider

java.lang.Object

hex.tree.xgboost.matrix.MatrixLoader.DMatrixProvider

hex.tree.xgboost.matrix.SparseMatrixFactory.SparseDMatrixProvider

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable

Enclosing class:

SparseMatrixFactory

public static class SparseMatrixFactory.SparseDMatrixProvider
extends MatrixLoader.DMatrixProvider

See Also:

Serialized Form

Field Summary

Fields inherited from class hex.tree.xgboost.matrix.MatrixLoader.DMatrixProvider

actualRows, offsets, response, weights

Constructor Summary

Constructors

Constructor and Description
SparseDMatrixProvider()
SparseDMatrixProvider(long[][] rowHeaders, int[][] colIndices, float[][] sparseData, ml.dmlc.xgboost4j.java.DMatrix.SparseType csr, int shape, long nonZeroElementsCount, int actualRows, float[] response, float[] weights, float[] offsets)

Method Summary

Modifier and Type	Method and Description
ml.dmlc.xgboost4j.java.DMatrix	makeDMatrix()
void	readExternal(java.io.ObjectInput in)
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class hex.tree.xgboost.matrix.MatrixLoader.DMatrixProvider

dispose, get

Methods inherited from class java.lang.Object

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

Constructor Detail

SparseDMatrixProvider

public SparseDMatrixProvider(long[][] rowHeaders,
                             int[][] colIndices,
                             float[][] sparseData,
                             ml.dmlc.xgboost4j.java.DMatrix.SparseType csr,
                             int shape,
                             long nonZeroElementsCount,
                             int actualRows,
                             float[] response,
                             float[] weights,
                             float[] offsets)

SparseDMatrixProvider

public SparseDMatrixProvider()

Method Detail

makeDMatrix

public ml.dmlc.xgboost4j.java.DMatrix makeDMatrix()
                                           throws ml.dmlc.xgboost4j.java.XGBoostError

Specified by:

makeDMatrix in class MatrixLoader.DMatrixProvider

Throws:

ml.dmlc.xgboost4j.java.XGBoostError

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Overrides:

writeExternal in class MatrixLoader.DMatrixProvider

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Overrides:

readExternal in class MatrixLoader.DMatrixProvider

Throws:

java.io.IOException

java.lang.ClassNotFoundException