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java.lang.Objectweka.estimators.Estimator
weka.classifiers.bayes.net.estimate.DiscreteEstimatorBayes
public class DiscreteEstimatorBayes
Symbolic probability estimator based on symbol counts and a prior.
Field Summary |
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Fields inherited from interface weka.classifiers.bayes.net.search.local.Scoreable |
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AIC, BAYES, BDeu, ENTROPY, MDL |
Constructor Summary | |
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DiscreteEstimatorBayes(int nSymbols,
double fPrior)
Constructor |
Method Summary | |
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void |
addValue(double data,
double weight)
Add a new data value to the current estimator. |
double |
getCount(double data)
Get a counts for a value |
int |
getNumSymbols()
Gets the number of symbols this estimator operates with |
double |
getProbability(double data)
Get a probability estimate for a value |
java.lang.String |
getRevision()
Returns the revision string. |
double |
logScore(int nType,
int nCardinality)
Gets the log score contribution of this distribution |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
java.lang.String |
toString()
Display a representation of this estimator |
Methods inherited from class weka.estimators.Estimator |
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addValues, addValues, addValues, addValues, buildEstimator, buildEstimator, clone, debugTipText, equals, forName, getCapabilities, getDebug, getOptions, listOptions, makeCopies, makeCopy, setDebug, setOptions, testCapabilities |
Methods inherited from class java.lang.Object |
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getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public DiscreteEstimatorBayes(int nSymbols, double fPrior)
nSymbols
- the number of possible symbols (remember to include 0)fPrior
- Method Detail |
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public void addValue(double data, double weight)
addValue
in class Estimator
data
- the new data valueweight
- the weight assigned to the data valuepublic double getProbability(double data)
getProbability
in class Estimator
data
- the value to estimate the probability of
public double getCount(double data)
data
- the value to get the counts for
public int getNumSymbols()
public double logScore(int nType, int nCardinality)
logScore
in interface Scoreable
nType
- score type
public java.lang.String toString()
toString
in class java.lang.Object
public java.lang.String getRevision()
getRevision
in interface RevisionHandler
public static void main(java.lang.String[] argv)
argv
- should contain a sequence of integers which
will be treated as symbolic.
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