hex

Class DLSM.LSMSolver

java.lang.Object

water.Iced

hex.DLSM.LSMSolver

All Implemented Interfaces:

java.lang.Cloneable, Freezable

Direct Known Subclasses:

DLSM.ADMMSolver, DLSM.GeneralizedGradientSolver

Enclosing class:

DLSM

public abstract static class DLSM.LSMSolver
extends Iced

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DLSM.LSMSolver.LSMSolverException

Field Summary

Fields

Modifier and Type	Field and Description
double	_alpha
protected boolean	_converged
double	_lambda

Constructor Summary

Constructors

Constructor and Description
DLSM.LSMSolver(double lambda, double alpha)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	converged()
abstract java.lang.String	name()
abstract boolean	solve(hex.DGLM.Gram gram, double[] newBeta)
abstract com.google.gson.JsonObject	toJson()

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, toString, wait, wait, wait

Field Detail

_lambda

public double _lambda

_alpha

public final double _alpha

_converged

protected boolean _converged

Constructor Detail

DLSM.LSMSolver

public DLSM.LSMSolver(double lambda,
              double alpha)

Method Detail

solve

public abstract boolean solve(hex.DGLM.Gram gram,
            double[] newBeta)

Parameters:

xx - - gram matrix. gaussian: X'X, binomial:(1/4)X'X

xy - - guassian: -X'y binomial: -(1/4)X'(XB + (y-p)/(p*1-p))

yy - - /2

beta - - previous vector of coefficients, will be modified/destroyed

newBeta - - resulting vector of coefficients

Returns:

true if converged

toJson

public abstract com.google.gson.JsonObject toJson()

converged

public final boolean converged()

name

public abstract java.lang.String name()