MahalanobisDistance

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Sourc code of marf.Classification.Distance.MahalanobisDistance

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marf.Classification.Distance
Class MahalanobisDistance

java.lang.Object
  marf.Storage.StorageManager
      marf.Classification.Classification
          marf.Classification.Distance.Distance
              marf.Classification.Distance.MahalanobisDistance

All Implemented Interfaces:: marf.Classification.IClassification, marf.Storage.IStorageManager, java.io.Serializable

public class MahalanobisDistance
extends Distance

Mahalanobis Distance Classification Module.

NOTE: Implemented as equivalent to Euclidean Distance in 0.2.0, i.e. the Covariance matrix is always an Indentity one.

$Id: MahalanobisDistance.java,v 1.21 2005/08/12 20:02:56 susan_fan Exp $

Since:: 0.2.0
Version:: $Revision: 1.21 $

Field Summary

private marf.math.Matrix oC
          Covariance Matrix.

private static long serialVersionUID
          For serialization versioning.

Fields inherited from class marf.Classification.Classification

oFeatureExtraction, oResultSet, oTrainingSet

Fields inherited from class marf.Storage.StorageManager

bDumpOnNotFound, iCurrentDumpMode, oObjectToSerialize, strFilename

Fields inherited from interface marf.Classification.IClassification

MARF_INTERFACE_CODE_REVISION

Fields inherited from interface marf.Storage.IStorageManager

DUMP_BINARY, DUMP_CSV_TEXT, DUMP_GZIP_BINARY, DUMP_HTML, DUMP_SQL, DUMP_XML, MARF_INTERFACE_CODE_REVISION, STORAGE_FILE_EXTENSIONS

Constructor Summary

MahalanobisDistance(marf.FeatureExtraction.IFeatureExtraction poFeatureExtraction)
          MahalanobisDistance Constructor.

Method Summary

double distance(double[] paVector1, double[] paVector2)
          Partial MahalanobisDistance implementation.

static java.lang.String getMARFSourceCodeRevision()
          Retrieves class' revision.

Methods inherited from class marf.Classification.Distance.Distance

classify, getResult

Methods inherited from class marf.Classification.Classification

dump, getFeatureExtraction, getResultSet, getTrainingSetFilename, restore, setFeatureExtraction, train

Methods inherited from class marf.Storage.StorageManager

backSynchronizeObject, dumpBinary, dumpCSV, dumpGzipBinary, dumpHTML, dumpSQL, dumpXML, enableDumpOnNotFound, getDefaultExtension, getDefaultExtension, getDumpMode, getFilename, restoreBinary, restoreCSV, restoreGzipBinary, restoreHTML, restoreSQL, restoreXML, setDumpMode, setFilename

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

For serialization versioning. When adding new members or make other structural changes regenerate this number with the serialver tool that comes with JDK.

Since:: 0.3.0.4
See Also:: Constant Field Values

oC

private marf.math.Matrix oC

Covariance Matrix.

Constructor Detail