hex.hglm

Class HGLMUtils

java.lang.Object

hex.hglm.HGLMUtils

public class HGLMUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
HGLMUtils()

Method Summary

Modifier and Type	Method and Description
static double	calTauEvarEq17(double residualSquare, double tauEVar, double[][][] cjInv, double[][][] arjTArj, double oneOverN)
static boolean	checkPositiveG(int numLevel2Units, double[][] tMat)
static double[][][]	copy3DArray(double[][][] src)
static boolean	equal2DArrays(double[][] arr1, double[][] arr2, double threshold)
static double[]	estimateFixedCoeff(double[][] AfjTAfjSumInv, double[] AfjTYjSum, double[][][] AfjTArj, double[][] ubeta)
static double[][]	estimateNewRandomEffects(double[][][] cjInv, double[][] ArjTYj, double[][][] ArjTAfj, double[] beta) Note that the term ArjTYj and ArjTAfj are fixed and won't change.
static double[][]	estimateNewtMat(double[][] ubeta, double tauEVar, double[][][] cJInv, double oneOverNumLevel2)
static double[][]	fillZTTimesZ(double[][][] arjTArj)
static double[][][]	generateCJInverse(double[][][] arjTArj, double tauEVar, double[][] tMatInv)
static double[][]	generateNewTmat(double[][] ubeta)
static double[][]	generateTInverse(double[][] tMat)
static void	grabInitValuesFromFrame(water.Key frameKey, double[][] ubeta)
static void	setDiagValues(double[][] tMat, double tauUVar)

Methods inherited from class java.lang.Object

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

Constructor Detail

HGLMUtils

public HGLMUtils()

Method Detail

copy3DArray

public static double[][][] copy3DArray(double[][][] src)

grabInitValuesFromFrame

public static void grabInitValuesFromFrame(water.Key frameKey,
                                           double[][] ubeta)

setDiagValues

public static void setDiagValues(double[][] tMat,
                                 double tauUVar)

equal2DArrays

public static boolean equal2DArrays(double[][] arr1,
                                    double[][] arr2,
                                    double threshold)

generateTInverse

public static double[][] generateTInverse(double[][] tMat)

generateCJInverse

public static double[][][] generateCJInverse(double[][][] arjTArj,
                                             double tauEVar,
                                             double[][] tMatInv)

estimateNewRandomEffects

public static double[][] estimateNewRandomEffects(double[][][] cjInv,
                                                  double[][] ArjTYj,
                                                  double[][][] ArjTAfj,
                                                  double[] beta)

Note that the term ArjTYj and ArjTAfj are fixed and won't change. They are stored in engineTask

estimateFixedCoeff

public static double[] estimateFixedCoeff(double[][] AfjTAfjSumInv,
                                          double[] AfjTYjSum,
                                          double[][][] AfjTArj,
                                          double[][] ubeta)

estimateNewtMat

public static double[][] estimateNewtMat(double[][] ubeta,
                                         double tauEVar,
                                         double[][][] cJInv,
                                         double oneOverNumLevel2)

calTauEvarEq17

public static double calTauEvarEq17(double residualSquare,
                                    double tauEVar,
                                    double[][][] cjInv,
                                    double[][][] arjTArj,
                                    double oneOverN)

fillZTTimesZ

public static double[][] fillZTTimesZ(double[][][] arjTArj)

checkPositiveG

public static boolean checkPositiveG(int numLevel2Units,
                                     double[][] tMat)

generateNewTmat

public static double[][] generateNewTmat(double[][] ubeta)