hex.glm

Class GLMModel

java.lang.Object

water.Iced

water.Model

hex.glm.GLMModel

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Comparable<GLMModel>, Freezable

public class GLMModel
extends Model
implements java.lang.Comparable<GLMModel>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GLMModel.GLMValidationTask<T extends GLMModel.GLMValidationTask<T>>
static class	GLMModel.GLMXValidationTask

Nested classes/interfaces inherited from class water.Model

Model.GeneratedModel

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String[]	coefficients_names
static DocGen.FieldDoc[]	DOC_FIELDS

Fields inherited from class water.Model

_dataKey, _domains, _names, _selfKey

Constructor Summary

Constructors

Constructor and Description
GLMModel(Key selfKey, Frame fr, FrameTask.DataInfo dinfo, GLMParams glm, double beta_eps, double alpha, double[] lambda, double ymu, GLMParams.CaseMode caseMode, double caseVal)

Method Summary

Methods

Modifier and Type	Method and Description
double	aic()
double	auc()
double[]	beta()
double[]	beta(int i)
java.util.HashMap<java.lang.String,java.lang.Double>	coefficients() get beta coefficients in a map indexed by name
int	compareTo(GLMModel m)
void	delete() Called when deleting this model, to cleanup any internal keys
double	devExplained()
int	iteration()
double	lambda()
double	lambdaMax()
double	lambdaMin()
int	ncoefs()
double[]	norm_beta()
double[]	norm_beta(int i)
int	rank()
int	rank(int lambdaIdx)
protected float[]	score0(double[] data, float[] preds) Subclasses implement the scoring logic.
protected float[]	score0(double[] data, float[] preds, int lambdaIdx)
boolean	setAndTestValidation(int lambdaIdx, GLMValidation val)
void	setLambdaSubmodel(int lambdaIdx, double lambda, double[] beta, double[] norm_beta, int iteration)
void	setValidation(int lambdaIdx, GLMValidation val)
java.lang.String	toString()
GLMValidation	validation()

Methods inherited from class water.Model

adapt, classNames, cm, getDomainMapping, isClassifier, nclasses, responseName, score, score, score, score, score, score0, testJavaScoring, toJava, toJava, toJavaInit, toJavaInit, toJavaPredictBody, varimp

Methods inherited from class water.Iced

clone, frozenType, init, newInstance, read, toDocField, write, writeJSON, writeJSONFields

Methods inherited from class java.lang.Object

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

Field Detail

DOC_FIELDS

public static DocGen.FieldDoc[] DOC_FIELDS

coefficients_names

public java.lang.String[] coefficients_names

Constructor Detail

GLMModel

public GLMModel(Key selfKey,
        Frame fr,
        FrameTask.DataInfo dinfo,
        GLMParams glm,
        double beta_eps,
        double alpha,
        double[] lambda,
        double ymu,
        GLMParams.CaseMode caseMode,
        double caseVal)

Method Detail

auc

public double auc()

aic

public double aic()

devExplained

public double devExplained()

compareTo

public int compareTo(GLMModel m)

Specified by:

compareTo in interface java.lang.Comparable<GLMModel>

setLambdaSubmodel

public void setLambdaSubmodel(int lambdaIdx,
                     double lambda,
                     double[] beta,
                     double[] norm_beta,
                     int iteration)

lambda

public double lambda()

lambdaMax

public double lambdaMax()

lambdaMin

public double lambdaMin()

validation

public GLMValidation validation()

iteration

public int iteration()

beta

public double[] beta()

beta

public double[] beta(int i)

norm_beta

public double[] norm_beta()

norm_beta

public double[] norm_beta(int i)

score0

protected float[] score0(double[] data,
             float[] preds)

Description copied from class: Model

Subclasses implement the scoring logic. The data is pre-loaded into a re-used temp array, in the order the model expects. The predictions are loaded into the re-used temp array, which is also returned.

Specified by:

score0 in class Model

score0

protected float[] score0(double[] data,
             float[] preds,
             int lambdaIdx)

ncoefs

public final int ncoefs()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

rank

public int rank()

rank

public int rank(int lambdaIdx)

delete

public void delete()

Description copied from class: Model

Called when deleting this model, to cleanup any internal keys

Overrides:

delete in class Model

setValidation

public void setValidation(int lambdaIdx,
                 GLMValidation val)

setAndTestValidation

public boolean setAndTestValidation(int lambdaIdx,
                           GLMValidation val)

coefficients

public java.util.HashMap<java.lang.String,java.lang.Double> coefficients()

get beta coefficients in a map indexed by name

Returns: