hex.tree.xgboost.matrix

Class SparseMatrixDimensions

java.lang.Object

water.Iced<SparseMatrixDimensions>

hex.tree.xgboost.matrix.SparseMatrixDimensions

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, water.BootstrapFreezable<SparseMatrixDimensions>, water.Freezable<SparseMatrixDimensions>

public final class SparseMatrixDimensions
extends water.Iced<SparseMatrixDimensions>
implements water.BootstrapFreezable<SparseMatrixDimensions>

Dimensions of a Sparse Matrix

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
long	_nonZeroElementsCount
long[]	_precedingNonZeroElementsCounts
int[]	_precedingRowCounts
int	_rowHeadersCount

Constructor Summary

Constructors

Constructor and Description
SparseMatrixDimensions(int[] nonZeroElementsCounts, int[] rowIndicesCounts) Constructs an instance of SparseMatrixDimensions

Method Summary

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

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

Methods inherited from interface water.Freezable

asBytes, clone, frozenType, read, readJSON, reloadFromBytes, write, writeJSON

Field Detail

_precedingRowCounts

public final int[] _precedingRowCounts

_precedingNonZeroElementsCounts

public final long[] _precedingNonZeroElementsCounts

_nonZeroElementsCount

public final long _nonZeroElementsCount

_rowHeadersCount

public final int _rowHeadersCount

Constructor Detail

SparseMatrixDimensions

public SparseMatrixDimensions(int[] nonZeroElementsCounts,
                              int[] rowIndicesCounts)

Constructs an instance of SparseMatrixDimensions

Parameters:

nonZeroElementsCounts - Number of non-zero elements (number of elements in sparse matrix). Also number of column indices.

rowIndicesCounts - Number of indices of elements rows begin with