Package weka.estimators
Class MahalanobisEstimator
java.lang.Object
weka.estimators.Estimator
weka.estimators.MahalanobisEstimator
- All Implemented Interfaces:
Serializable,Cloneable,CapabilitiesHandler,CapabilitiesIgnorer,OptionHandler,RevisionHandler,IncrementalEstimator
Simple probability estimator that places a single normal distribution
over the observed values.
- Version:
- $Revision: 15522 $
- Author:
- Len Trigg (trigg@cs.waikato.ac.nz)
- See Also:
-
Constructor Summary
ConstructorsConstructorDescriptionMahalanobisEstimator(Matrix covariance, double constDelta, double valueMean) Constructor -
Method Summary
Modifier and TypeMethodDescriptionvoidaddValue(double data, double weight) Add a new data value to the current estimator.Returns default capabilities of the classifier.doublegetProbability(double data) Get a probability estimate for a valueReturns the revision string.static voidMain method for testing this class.toString()Display a representation of this estimatorMethods inherited from class weka.estimators.Estimator
addValues, addValues, addValues, addValues, buildEstimator, buildEstimator, clone, debugTipText, doNotCheckCapabilitiesTipText, equals, forName, getDebug, getDoNotCheckCapabilities, getOptions, listOptions, makeCopies, makeCopy, setDebug, setDoNotCheckCapabilities, setOptions, testCapabilities
-
Constructor Details
-
MahalanobisEstimator
Constructor- Parameters:
covariance-constDelta-valueMean-
-
-
Method Details
-
addValue
public void addValue(double data, double weight) Add a new data value to the current estimator. Does nothing because the data is provided in the constructor.- Specified by:
addValuein interfaceIncrementalEstimator- Overrides:
addValuein classEstimator- Parameters:
data- the new data valueweight- the weight assigned to the data value
-
getProbability
public double getProbability(double data) Get a probability estimate for a value- Specified by:
getProbabilityin classEstimator- Parameters:
data- the value to estimate the probability of- Returns:
- the estimated probability of the supplied value
-
toString
Display a representation of this estimator -
getCapabilities
Returns default capabilities of the classifier.- Specified by:
getCapabilitiesin interfaceCapabilitiesHandler- Overrides:
getCapabilitiesin classEstimator- Returns:
- the capabilities of this classifier
- See Also:
-
getRevision
Returns the revision string.- Specified by:
getRevisionin interfaceRevisionHandler- Overrides:
getRevisionin classEstimator- Returns:
- the revision
-
main
Main method for testing this class.- Parameters:
argv- should contain a sequence of numeric values
-