com.ibm.bluej.consistency

Class ProposalFunction

java.lang.Object

com.ibm.bluej.consistency.term.ATerm

com.ibm.bluej.consistency.term.CompositeTerm

com.ibm.bluej.consistency.term.Function

com.ibm.bluej.consistency.term.corefunc.NumberFunction

com.ibm.bluej.consistency.ProposalFunction

All Implemented Interfaces:

Updatable, java.lang.Cloneable, java.lang.Comparable<ATerm>

public class ProposalFunction
extends NumberFunction

Should be renamed to NumericProposalFunction, there can be other types of proposal functions

Author:

mrglass

Field Summary

Fields inherited from class com.ibm.bluej.consistency.term.corefunc.NumberFunction

value

Fields inherited from class com.ibm.bluej.consistency.term.Function

FOR_GCC, NO_LINK

Fields inherited from class com.ibm.bluej.consistency.term.CompositeTerm

EMPTY_TERM, parts

Constructor Summary

Constructors

Constructor and Description
ProposalFunction(java.lang.String name, double initialValue)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getName()
int[]	getSample(java.util.Random r, int numToSample)
ATerm	ground(Binds binds, Updatable neededBy)
double	hillClimb(CRFState crfState, java.util.Random rand, int sampleSize, Regularizer regularize)
double	hillClimb(CRFState crfState, java.util.Random rand, Regularizer regularize)
double	hillClimbOld(CRFState crfState, java.util.Random rand, int sampleSize, Regularizer regularize)
boolean	isGround(Binds binds)
static double	jointHillclimb(CRFState crfState, ProposalFunction one, ProposalFunction two, int sampleSize, Regularizer regularize)
double	percentPositiveWhereOccurrs() WARNING: only applies in the SampleWalkLogistic optimization! assumes that this proposal function is used by FuncLogProgScore specifically
double	scanMAP(CRFState crfState, java.util.Random rand, double min, double max, int tries)
double	scanMAP(CRFState crfState, java.util.Random rand, double min, double max, int tries, int sampleSize)
double	scanMAP(CRFState crfState, java.util.Random rand, double min, double max, int tries, int sampleSize, Regularizer regularize)
double	scanMAP(CRFState crfState, java.util.Random rand, double min, double max, int tries, Regularizer regularize)
void	setSampleValue(double v, int[] sample)
void	setValue(double v)
java.lang.String	toString()
double	tryZero(CRFState crfState, java.util.Random rand, int sampleSize, Regularizer regularize)
double	tryZero(CRFState crfState, java.util.Random rand, Regularizer regularize)
void	update(Function source, java.lang.Object... msg)

Methods inherited from class com.ibm.bluej.consistency.term.corefunc.NumberFunction

getValue

Methods inherited from class com.ibm.bluej.consistency.term.Function

addUsedBy, getUsedBy, isFunctionFree, isReady, parserSetsFocusIndicator, valueClone, valueEquals, valueHash, zzParserInitUsedBy

Methods inherited from class com.ibm.bluej.consistency.term.CompositeTerm

compareTo

Methods inherited from class com.ibm.bluej.consistency.term.ATerm

crossClassCompare, gatherTopFunctions, getBoolean, getCollection, getDouble, getInt, getSparseVector, getString, getTerm, getVector, mdjbFirst, mdjbNext, testRecursive

Methods inherited from class java.lang.Object

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

Constructor Detail

ProposalFunction

public ProposalFunction(java.lang.String name,
                double initialValue)

Method Detail

getName

public java.lang.String getName()

isGround

public boolean isGround(Binds binds)

Overrides:

isGround in class CompositeTerm

setValue

public void setValue(double v)

setSampleValue

public void setSampleValue(double v,
                  int[] sample)

ground

public ATerm ground(Binds binds,
           Updatable neededBy)

Overrides:

ground in class Function

getSample

public int[] getSample(java.util.Random r,
              int numToSample)

update

public void update(Function source,
          java.lang.Object... msg)

Specified by:

update in interface Updatable

Specified by:

update in class Function

toString

public java.lang.String toString()

Overrides:

toString in class Function

jointHillclimb

public static double jointHillclimb(CRFState crfState,
                    ProposalFunction one,
                    ProposalFunction two,
                    int sampleSize,
                    Regularizer regularize)

percentPositiveWhereOccurrs

public double percentPositiveWhereOccurrs()

WARNING: only applies in the SampleWalkLogistic optimization! assumes that this proposal function is used by FuncLogProgScore specifically

Returns:

tryZero

public double tryZero(CRFState crfState,
             java.util.Random rand,
             int sampleSize,
             Regularizer regularize)

tryZero

public double tryZero(CRFState crfState,
             java.util.Random rand,
             Regularizer regularize)

hillClimb

public double hillClimb(CRFState crfState,
               java.util.Random rand,
               Regularizer regularize)

hillClimb

public double hillClimb(CRFState crfState,
               java.util.Random rand,
               int sampleSize,
               Regularizer regularize)

hillClimbOld

public double hillClimbOld(CRFState crfState,
                  java.util.Random rand,
                  int sampleSize,
                  Regularizer regularize)

scanMAP

public double scanMAP(CRFState crfState,
             java.util.Random rand,
             double min,
             double max,
             int tries,
             int sampleSize)

scanMAP

public double scanMAP(CRFState crfState,
             java.util.Random rand,
             double min,
             double max,
             int tries,
             Regularizer regularize)

scanMAP

public double scanMAP(CRFState crfState,
             java.util.Random rand,
             double min,
             double max,
             int tries,
             int sampleSize,
             Regularizer regularize)

scanMAP

public double scanMAP(CRFState crfState,
             java.util.Random rand,
             double min,
             double max,
             int tries)