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. TODO: should be a subclass of SupervisedModel.

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

Field Summary

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, FrameTask.DataInfo dinfo, double ymu, 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
hex.ModelMetrics.MetricBuilder	makeMetricBuilder(java.lang.String[] domain)
int	rank(double lambda)
water.api.ModelSchema	schema()
float[]	score0(water.fvec.Chunk[] chks, int row_in_chunk, double[] tmp, float[] preds)
protected float[]	score0(double[] data, float[] 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 val)
static void	setXvalidation(water.H2O.H2OCountedCompleter cmp, water.Key modelKey, double lambda, GLMValidation val)
GLMValidation	validation()

Methods inherited from class hex.SupervisedModel

isSupervised

Methods inherited from class hex.Model

adaptTestForTrain, adaptTestForTrain, addMetrics, addWarning, checksum_impl, remove_impl, score, score, score, scoreImpl

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

Constructor Detail

GLMModel

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

Method Detail

makeMetricBuilder

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

Specified by:

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

schema

public water.api.ModelSchema schema()

Specified by:

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

beta

public double[] beta()

validation

public GLMValidation validation()

score0

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

Overrides:

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

score0

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

Specified by:

score0 in class hex.Model<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 val)

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