uk.co.agena.minerva.util.nptgenerator
Class Beta

java.lang.Object
  extended by uk.co.agena.minerva.util.nptgenerator.Function
      extended by uk.co.agena.minerva.util.nptgenerator.Beta

public class Beta
extends Function


Field Summary
static java.lang.String displayName
           
static java.lang.String[] parameterDisplayNames
           
 
Fields inherited from class uk.co.agena.minerva.util.nptgenerator.Function
ALLOWED_CHARACTERS, NEWLINE, TAB, VARIANCE_MAP, WEIGHTED_FUNCTIONS
 
Method Summary
static Beta Beta(ExtendedNode extendedNode, java.util.List parents, java.util.List functionParams)
           
static double[] Beta(java.util.List ranges, double alpha, double beta, double xmin, double xmax)
          calculates the Beta over a defined set of ranges given a mean and a variance.
 void calculateProbability(DataSet values)
          This will calculate the betaDistribution and add it to the relevant cell of the npt using the rowMajorParentStateCombIndex
 java.lang.String getDisplayName()
          Shows the name of the Function subclass as it should be displayed in a GUI etc.
 java.lang.String[] getParameterDisplayNames()
          Shows the name of the parameters of the Function subclass as they should be displayed in a GUI etc.
 java.lang.String toString()
          Returns a String representation of the object.
 
Methods inherited from class uk.co.agena.minerva.util.nptgenerator.Function
calculateFunction, createFunction, evaluateExpressionAsDouble, evaluateExpressionAsObject, generateNPTForNodeWithoutSampling, getDummyWeightedFunctionFromTrueName, getMaximumValueReached, getMinimumValueReached, getSingleColumnNPT, isForceSampling, requiresSampling, resetParserCache, setForceSampling, setMaximumValueReached, setMinimumValueReached, setPossibleMaxOrMinVaule
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

displayName

public static java.lang.String displayName

parameterDisplayNames

public static java.lang.String[] parameterDisplayNames
Method Detail

Beta

public static double[] Beta(java.util.List ranges,
                            double alpha,
                            double beta,
                            double xmin,
                            double xmax)
                     throws NPTGeneratorException
calculates the Beta over a defined set of ranges given a mean and a variance.

Parameters:
ranges -
alpha -
beta -
Returns:
Throws:
NPTGeneratorException

Beta

public static Beta Beta(ExtendedNode extendedNode,
                        java.util.List parents,
                        java.util.List functionParams)
                 throws NPTGeneratorException,
                        InconsistentEvidenceException
Throws:
NPTGeneratorException
InconsistentEvidenceException

calculateProbability

public void calculateProbability(DataSet values)
                          throws NPTGeneratorException
This will calculate the betaDistribution and add it to the relevant cell of the npt using the rowMajorParentStateCombIndex

Specified by:
calculateProbability in class Function
Parameters:
rowMajorParentStateCombIndex -
values -
Throws:
NPTGeneratorException

toString

public java.lang.String toString()
Returns a String representation of the object.

Overrides:
toString in class Function
Parameters:
The - String representation.

getDisplayName

public java.lang.String getDisplayName()
Description copied from class: Function
Shows the name of the Function subclass as it should be displayed in a GUI etc.

Specified by:
getDisplayName in class Function

getParameterDisplayNames

public java.lang.String[] getParameterDisplayNames()
Description copied from class: Function
Shows the name of the parameters of the Function subclass as they should be displayed in a GUI etc.

Specified by:
getParameterDisplayNames in class Function


Copyright © 2006 Agena Ltd. All Rights Reserved.