hex.tree.xgboost.matrix

Class MatrixLoader.DMatrixProvider

java.lang.Object

hex.tree.xgboost.matrix.MatrixLoader.DMatrixProvider

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable

Direct Known Subclasses:

DenseMatrixFactory.DenseDMatrixProvider, SparseMatrixFactory.SparseDMatrixProvider

Enclosing class:

MatrixLoader

public abstract static class MatrixLoader.DMatrixProvider
extends java.lang.Object
implements java.io.Externalizable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected long	actualRows
protected float[]	offsets
protected float[]	response
protected float[]	weights

Constructor Summary

Constructors

Modifier	Constructor and Description
	DMatrixProvider()
protected	DMatrixProvider(long actualRows, float[] response, float[] weights, float[] offsets)

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

actualRows

protected long actualRows

response

protected float[] response

weights

protected float[] weights

offsets

protected float[] offsets

Constructor Detail

DMatrixProvider

protected DMatrixProvider(long actualRows,
                          float[] response,
                          float[] weights,
                          float[] offsets)

DMatrixProvider

public DMatrixProvider()

Method Detail

makeDMatrix

protected abstract ml.dmlc.xgboost4j.java.DMatrix makeDMatrix()
                                                       throws ml.dmlc.xgboost4j.java.XGBoostError

Throws:

ml.dmlc.xgboost4j.java.XGBoostError

dispose

protected void dispose()

get

public final ml.dmlc.xgboost4j.java.DMatrix get()
                                         throws ml.dmlc.xgboost4j.java.XGBoostError

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

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

Throws:

java.io.IOException

java.lang.ClassNotFoundException