de.lmu.ifi.dbs.elki.distance.distancefunction
Class CosineDistanceFunction<V extends FeatureVector<V,?>>
java.lang.Object
de.lmu.ifi.dbs.elki.logging.AbstractLoggable
de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizable
de.lmu.ifi.dbs.elki.distance.AbstractMeasurementFunction<O,D>
de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractDistanceFunction<O,DoubleDistance>
de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractDoubleDistanceFunction<V>
de.lmu.ifi.dbs.elki.distance.distancefunction.CosineDistanceFunction<V>
- All Implemented Interfaces:
- DistanceFunction<V,DoubleDistance>, MeasurementFunction<V,DoubleDistance>, Loggable, Parameterizable
public class CosineDistanceFunction<V extends FeatureVector<V,?>>
- extends AbstractDoubleDistanceFunction<V>
CosineDistanceFunction for FeatureVectors.
- Author:
- Arthur Zimek
Methods inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizable |
addOption, checkGlobalParameterConstraints, deleteOption, description, description, getAttributeSettings, getParameters, getParameterValue, getPossibleOptions, inlineDescription, isSet, setParameters, setParameters |
Methods inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable |
debugFine, debugFiner, debugFinest, exception, message, progress, progress, progress, verbose, verbose, warning |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
CosineDistanceFunction
public CosineDistanceFunction()
- Provides a CosineDistanceFunction.
distance
public DoubleDistance distance(V o1,
V o2)
- Computes the cosine distance for two given FeatureVectors.
- Parameters:
o1
- first FeatureVectoro2
- second FeatureVector
- Returns:
- the cosine distance for two given FeatureVectors o1 and o2
- See Also:
DistanceFunction.distance(de.lmu.ifi.dbs.elki.data.DatabaseObject, de.lmu.ifi.dbs.elki.data.DatabaseObject)
description
public String description()
- Description copied from interface:
Parameterizable
- Returns a description of the class and the required parameters.
This description should be suitable for a usage description as for a standalone application.
- Specified by:
description
in interface Parameterizable
- Overrides:
description
in class AbstractParameterizable
- Returns:
- String a description of the class and the required parameters
- See Also:
Parameterizable.description()