hex.glm

Class ComputationState.GramXY

java.lang.Object

hex.glm.ComputationState.GramXY

Enclosing class:

ComputationState

public static final class ComputationState.GramXY
extends java.lang.Object

Cached state of COD (with covariate updates) solver.

Field Summary

Fields

Modifier and Type	Field and Description
Gram	gram
double	likelihood
double[]	xy
double	yy

Constructor Summary

Constructors

Constructor and Description
ComputationState.GramXY(Gram gram, double[] xy, double[] grads, double[] beta, int[] activeCols, int[] newActiveCols, double yy, double likelihood)

Method Summary

Methods

Modifier and Type	Method and Description
static ComputationState.GramXY	addCols(double[] beta, int[] newActiveCols, int[] newColsIds, ComputationState.GramXY oldGram, double[][] xxUpdate, double[] xyUpdate)
double[]	getCODGradients()
boolean	match(double[] beta, int[] activeCols)

Methods inherited from class java.lang.Object

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

Field Detail

gram

public final Gram gram

xy

public final double[] xy

yy

public double yy

likelihood

public final double likelihood

Constructor Detail

ComputationState.GramXY

public ComputationState.GramXY(Gram gram,
                       double[] xy,
                       double[] grads,
                       double[] beta,
                       int[] activeCols,
                       int[] newActiveCols,
                       double yy,
                       double likelihood)

Method Detail

getCODGradients

public final double[] getCODGradients()

match

public boolean match(double[] beta,
            int[] activeCols)

addCols

public static ComputationState.GramXY addCols(double[] beta,
                              int[] newActiveCols,
                              int[] newColsIds,
                              ComputationState.GramXY oldGram,
                              double[][] xxUpdate,
                              double[] xyUpdate)