hex.glm

Class GLMModel

java.lang.Object

water.Iced<T>

water.Keyed<T>

water.Lockable<M>

hex.Model<M,P,O>

hex.SupervisedModel<GLMModel,GLMModel.GLMParameters,GLMModel.GLMOutput>

hex.glm.GLMModel

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, water.Freezable<GLMModel>

public class GLMModel
extends hex.SupervisedModel<GLMModel,GLMModel.GLMParameters,GLMModel.GLMOutput>

Created by tomasnykodym on 8/27/14.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GLMModel.GetScoringModelTask
static class	GLMModel.GLM_LBFGS_Parameters
static class	GLMModel.GLMOutput
static class	GLMModel.GLMParameters
static class	GLMModel.ScoringHistory
static class	GLMModel.Submodel

Nested classes/interfaces inherited from class hex.SupervisedModel

hex.SupervisedModel.SupervisedOutput, hex.SupervisedModel.SupervisedParameters

Nested classes/interfaces inherited from class hex.Model

hex.Model.DeepFeatures, hex.Model.ModelCategory, hex.Model.Output, hex.Model.Parameters

Field Summary

Fields

Modifier and Type	Field and Description
double	_lambda_max
long	_nobs
double	_ymu
double	_ySigma

Fields inherited from class hex.Model

_output, _parms, _warnings

Fields inherited from class water.Lockable

_lockers

Fields inherited from class water.Keyed

_key

Constructor Summary

Constructors

Constructor and Description
GLMModel(water.Key selfKey, GLMModel.GLMParameters parms, GLMModel.GLMOutput output, DataInfo dinfo, double ymu, double ySigma, double lambda_max, long nobs)

Method Summary

Methods

Modifier and Type	Method and Description
double[]	beta()
java.util.HashMap<java.lang.String,java.lang.Double>	coefficients() get beta coefficients in a map indexed by name
DataInfo	dinfo()
hex.ModelMetrics.MetricBuilder	makeMetricBuilder(java.lang.String[] domain)
java.lang.String[]	names()
int	rank(double lambda)
double[]	score0(water.fvec.Chunk[] chks, int row_in_chunk, double[] tmp, double[] preds)
protected double[]	score0(double[] data, double[] preds)
static void	setSubmodel(water.H2O.H2OCountedCompleter cmp, water.Key modelKey, double lambda, double[] beta, double[] norm_beta, int iteration, long runtime, boolean sparseCoef, GLMValidation trainVal, GLMValidation holdOutval, water.fvec.Frame tFrame, water.fvec.Frame vFrame)
static void	setXvalidation(water.H2O.H2OCountedCompleter cmp, water.Key modelKey, double lambda, GLMValidation val)
protected water.util.SB	toJavaInit(water.util.SB sb, water.util.SB fileContext)
protected void	toJavaPredictBody(water.util.SB body, water.util.SB classCtx, water.util.SB file)
GLMValidation	validation()

Methods inherited from class hex.SupervisedModel

toJavaPROB

Methods inherited from class hex.Model

adaptTestForTrain, adaptTestForTrain, addMetrics, addWarning, checksum_impl, isSupervised, remove_impl, score, score, score, scoreImpl, testJavaScoring, toJava, toJava, toJavaCheckTooBig, toJavaNCLASSES, toJavaSuper

Methods inherited from class water.Lockable

delete_and_lock, delete, delete, delete, read_lock, read_lock, unlock_all, unlock, update, write_lock

Methods inherited from class water.Keyed

checksum, remove, remove, remove, remove

Methods inherited from class water.Iced

clone, frozenType, read_impl, read, readExternal, readJSON_impl, readJSON, toJsonString, write_impl, write, writeExternal, writeHTML_impl, writeHTML, writeJSON_impl, writeJSON

Methods inherited from class java.lang.Object

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

Field Detail

_lambda_max

public final double _lambda_max

_ymu

public final double _ymu

_ySigma

public final double _ySigma

_nobs

public final long _nobs

Constructor Detail

GLMModel

public GLMModel(water.Key selfKey,
        GLMModel.GLMParameters parms,
        GLMModel.GLMOutput output,
        DataInfo dinfo,
        double ymu,
        double ySigma,
        double lambda_max,
        long nobs)

Method Detail

dinfo

public DataInfo dinfo()

makeMetricBuilder

public hex.ModelMetrics.MetricBuilder makeMetricBuilder(java.lang.String[] domain)

Specified by:

makeMetricBuilder in class hex.Model<GLMModel,GLMModel.GLMParameters,GLMModel.GLMOutput>

beta

public double[] beta()

names

public java.lang.String[] names()

validation

public GLMValidation validation()

score0

public double[] score0(water.fvec.Chunk[] chks,
              int row_in_chunk,
              double[] tmp,
              double[] preds)

Overrides:

score0 in class hex.SupervisedModel<GLMModel,GLMModel.GLMParameters,GLMModel.GLMOutput>

setSubmodel

public static void setSubmodel(water.H2O.H2OCountedCompleter cmp,
               water.Key modelKey,
               double lambda,
               double[] beta,
               double[] norm_beta,
               int iteration,
               long runtime,
               boolean sparseCoef,
               GLMValidation trainVal,
               GLMValidation holdOutval,
               water.fvec.Frame tFrame,
               water.fvec.Frame vFrame)

rank

public int rank(double lambda)

setXvalidation

public static void setXvalidation(water.H2O.H2OCountedCompleter cmp,
                  water.Key modelKey,
                  double lambda,
                  GLMValidation val)

coefficients

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

get beta coefficients in a map indexed by name

Returns:

the estimated coefficients

score0

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

Specified by:

score0 in class hex.Model<GLMModel,GLMModel.GLMParameters,GLMModel.GLMOutput>

toJavaPredictBody

protected void toJavaPredictBody(water.util.SB body,
                     water.util.SB classCtx,
                     water.util.SB file)

Overrides:

toJavaPredictBody in class hex.Model<GLMModel,GLMModel.GLMParameters,GLMModel.GLMOutput>

toJavaInit

protected water.util.SB toJavaInit(water.util.SB sb,
                       water.util.SB fileContext)

Overrides:

toJavaInit in class hex.Model<GLMModel,GLMModel.GLMParameters,GLMModel.GLMOutput>