hex.glm

Class ComputationState.GramGrad

java.lang.Object

hex.glm.ComputationState.GramGrad

Enclosing class:

ComputationState

public static class ComputationState.GramGrad
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
double[]	_grad
double[][]	_gram
double	_sumOfRowWeights
double[]	_xy
double[]	beta
double	objective

Constructor Summary

Constructors

Constructor and Description
GramGrad(double[][] gramM, double[] grad, double[] b, double obj, double sumOfRowWeights, double[] xy)

Method Summary

Modifier and Type	Method and Description
Gram.Cholesky	cholesky(Gram.Cholesky chol, double[][] xx)
static double[][]	dropCols(int[] cols, double[][] xx)
static double[][]	dropIgnoredCols(double[][] R, double[][] Z, java.util.List<java.lang.Integer> dropped_cols)
static int[]	findZeroCols(double[][] xx)
Gram.Cholesky	qrCholesky(java.util.List<java.lang.Integer> dropped_cols, double[][] Z, boolean standardized)

Methods inherited from class java.lang.Object

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

Field Detail

_gram

public double[][] _gram

beta

public double[] beta

_grad

public double[] _grad

objective

public double objective

_sumOfRowWeights

public double _sumOfRowWeights

_xy

public double[] _xy

Constructor Detail

GramGrad

public GramGrad(double[][] gramM,
                double[] grad,
                double[] b,
                double obj,
                double sumOfRowWeights,
                double[] xy)

Method Detail

cholesky

public Gram.Cholesky cholesky(Gram.Cholesky chol,
                              double[][] xx)

qrCholesky

public Gram.Cholesky qrCholesky(java.util.List<java.lang.Integer> dropped_cols,
                                double[][] Z,
                                boolean standardized)

dropIgnoredCols

public static double[][] dropIgnoredCols(double[][] R,
                                         double[][] Z,
                                         java.util.List<java.lang.Integer> dropped_cols)

dropCols

public static double[][] dropCols(int[] cols,
                                  double[][] xx)

findZeroCols

public static int[] findZeroCols(double[][] xx)