hex.gam.MatrixFrameUtils

Class GamUtils

java.lang.Object

hex.gam.MatrixFrameUtils.GamUtils

public class GamUtils
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GamUtils.AllocateType

Field Summary

Fields

Modifier and Type	Field and Description
static double	EPS
static java.lang.String	SPLINENOTIMPL

Constructor Summary

Constructors

Constructor and Description
GamUtils()

Method Summary

Modifier and Type	Method and Description
static double[][]	allocate2DArray(GamUtils.AllocateType fileMode, int numKnots)
static double[][][]	allocate3DArray(int num2DArrays, GAMModel.GAMParameters parms, GamUtils.AllocateType fileMode)
static double[][][]	allocate3DArrayCS(int num2DArrays, GAMModel.GAMParameters parms, GamUtils.AllocateType fileMode)
static double[][][]	allocate3DArrayTP(int num2DArrays, GAMModel.GAMParameters parms, int[] secondDim, int[] thirdDim)
static water.Key[]	buildCVGamModels(GAMModel model, GLMModel glmModel, GAMModel.GAMParameters parms, java.lang.String foldColumn)
static water.fvec.Frame	buildGamFrame(GAMModel.GAMParameters parms, water.fvec.Frame train, water.Key<water.fvec.Frame>[] gamFrameKeysCenter, java.lang.String foldColumn)
static water.fvec.Frame	concateGamVecs(water.Key<water.fvec.Frame>[] gamFrameKeysCenter)
static void	copy2DArray(double[][] src_array, double[][] dest_array)
static void	copy2DArray(int[][] src_array, int[][] dest_array)
static void	copyCVGLMtoGAMModel(GAMModel model, GLMModel glmModel, GAMModel.GAMParameters parms, java.lang.String foldColumn)
static boolean	equalColNames(java.lang.String[] name1, java.lang.String[] standardN, java.lang.String response_column)
static java.lang.String[]	generateGamColNames(int gamColIndex, GAMModel.GAMParameters parms)
static java.lang.String[]	generateGamColNamesThinPlateKnots(int gamColIndex, GAMModel.GAMParameters parms, int[][] polyBasisDegree, java.lang.String nameStub)
static double[]	generateKnotsOneColumn(water.fvec.Frame gamFrame, int knotNum)
static java.lang.String	genPolyBasisNames(java.lang.String[] gam_columns, int[] oneBasis)
static void	keepFrameKeys(java.util.List<water.Key> keep, water.Key<water.fvec.Frame>... keyNames)
static GAMModel.GAMParameters	makeGAMParameters(GAMModel.GAMParameters parms)
static water.fvec.Frame	prepareGamVec(int gam_column_index, GAMModel.GAMParameters parms, water.fvec.Frame fr)
static void	removeCenteringIS(double[][][] penaltyMatCenter, GAMModel.GAMParameters parms) This function is used to remove the dimension change due to centering for I-splines
static void	setDefaultBSType(GAMModel.GAMParameters parms)
static void	setDefaultScale(GAMModel.GAMParameters parms)
static void	setGamParameters(GAMModel.GAMParameters parms, int gamIndex, int splineIndex)
static void	setGamPredSize(GAMModel.GAMParameters parms, int singleSplineOffset) For each spline type, calculate the gam columns in each gam column group.
static void	setParamField(hex.Model.Parameters parms, hex.Model.Parameters glmParam, boolean superClassParams, java.lang.reflect.Field[] gamFields, java.util.List<java.lang.String> excludeList)
static void	setThinPlateParameters(GAMModel.GAMParameters parms, int thinPlateNum)
static java.lang.Integer[]	sortCoeffMags(int arrayLength, double[] coeffMags)
static void	sortGAMParameters(GAMModel.GAMParameters parms, int csGamCol, int isGamCol, int msGamCol) move CS spline smoothers to the front and TP spline smoothers to the back for arrays: gam_columns, bs, scale, num_knots.

Methods inherited from class java.lang.Object

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

Field Detail

SPLINENOTIMPL

public static final java.lang.String SPLINENOTIMPL

See Also:

Constant Field Values

EPS

public static final double EPS

See Also:

Constant Field Values

Constructor Detail

GamUtils

public GamUtils()

Method Detail

allocate3DArrayCS

public static double[][][] allocate3DArrayCS(int num2DArrays,
                                             GAMModel.GAMParameters parms,
                                             GamUtils.AllocateType fileMode)

allocate3DArray

public static double[][][] allocate3DArray(int num2DArrays,
                                           GAMModel.GAMParameters parms,
                                           GamUtils.AllocateType fileMode)

removeCenteringIS

public static void removeCenteringIS(double[][][] penaltyMatCenter,
                                     GAMModel.GAMParameters parms)

This function is used to remove the dimension change due to centering for I-splines

allocate3DArrayTP

public static double[][][] allocate3DArrayTP(int num2DArrays,
                                             GAMModel.GAMParameters parms,
                                             int[] secondDim,
                                             int[] thirdDim)

allocate2DArray

public static double[][] allocate2DArray(GamUtils.AllocateType fileMode,
                                         int numKnots)

sortCoeffMags

public static java.lang.Integer[] sortCoeffMags(int arrayLength,
                                                double[] coeffMags)

equalColNames

public static boolean equalColNames(java.lang.String[] name1,
                                    java.lang.String[] standardN,
                                    java.lang.String response_column)

copy2DArray

public static void copy2DArray(double[][] src_array,
                               double[][] dest_array)

copy2DArray

public static void copy2DArray(int[][] src_array,
                               int[][] dest_array)

copyCVGLMtoGAMModel

public static void copyCVGLMtoGAMModel(GAMModel model,
                                       GLMModel glmModel,
                                       GAMModel.GAMParameters parms,
                                       java.lang.String foldColumn)

buildCVGamModels

public static water.Key[] buildCVGamModels(GAMModel model,
                                           GLMModel glmModel,
                                           GAMModel.GAMParameters parms,
                                           java.lang.String foldColumn)

makeGAMParameters

public static GAMModel.GAMParameters makeGAMParameters(GAMModel.GAMParameters parms)

setParamField

public static void setParamField(hex.Model.Parameters parms,
                                 hex.Model.Parameters glmParam,
                                 boolean superClassParams,
                                 java.lang.reflect.Field[] gamFields,
                                 java.util.List<java.lang.String> excludeList)

keepFrameKeys

public static void keepFrameKeys(java.util.List<water.Key> keep,
                                 water.Key<water.fvec.Frame>... keyNames)

setDefaultBSType

public static void setDefaultBSType(GAMModel.GAMParameters parms)

setThinPlateParameters

public static void setThinPlateParameters(GAMModel.GAMParameters parms,
                                          int thinPlateNum)

setGamPredSize

public static void setGamPredSize(GAMModel.GAMParameters parms,
                                  int singleSplineOffset)

For each spline type, calculate the gam columns in each gam column group. For thin-plate splines, this can be 1, 2, or .... However, for all other spline types, this can only be one.

generateKnotsOneColumn

public static double[] generateKnotsOneColumn(water.fvec.Frame gamFrame,
                                              int knotNum)

prepareGamVec

public static water.fvec.Frame prepareGamVec(int gam_column_index,
                                             GAMModel.GAMParameters parms,
                                             water.fvec.Frame fr)

generateGamColNames

public static java.lang.String[] generateGamColNames(int gamColIndex,
                                                     GAMModel.GAMParameters parms)

generateGamColNamesThinPlateKnots

public static java.lang.String[] generateGamColNamesThinPlateKnots(int gamColIndex,
                                                                   GAMModel.GAMParameters parms,
                                                                   int[][] polyBasisDegree,
                                                                   java.lang.String nameStub)

genPolyBasisNames

public static java.lang.String genPolyBasisNames(java.lang.String[] gam_columns,
                                                 int[] oneBasis)

buildGamFrame

public static water.fvec.Frame buildGamFrame(GAMModel.GAMParameters parms,
                                             water.fvec.Frame train,
                                             water.Key<water.fvec.Frame>[] gamFrameKeysCenter,
                                             java.lang.String foldColumn)

concateGamVecs

public static water.fvec.Frame concateGamVecs(water.Key<water.fvec.Frame>[] gamFrameKeysCenter)

sortGAMParameters

public static void sortGAMParameters(GAMModel.GAMParameters parms,
                                     int csGamCol,
                                     int isGamCol,
                                     int msGamCol)

move CS spline smoothers to the front and TP spline smoothers to the back for arrays: gam_columns, bs, scale, num_knots. The array knots have already been moved with CS spline/I-spline in the front and TP splines in the back

setGamParameters

public static void setGamParameters(GAMModel.GAMParameters parms,
                                    int gamIndex,
                                    int splineIndex)

setDefaultScale

public static void setDefaultScale(GAMModel.GAMParameters parms)