de.lmu.ifi.dbs.elki.preprocessing
Class RangeQueryBasedHiCOPreprocessor<V extends RealVector<V,?>>

java.lang.Object
  de.lmu.ifi.dbs.elki.logging.AbstractLoggable
      de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizable
          de.lmu.ifi.dbs.elki.preprocessing.HiCOPreprocessor<V>
              de.lmu.ifi.dbs.elki.preprocessing.RangeQueryBasedHiCOPreprocessor<V>

All Implemented Interfaces:

Loggable, Preprocessor<V>, Parameterizable

public class RangeQueryBasedHiCOPreprocessor<V extends RealVector<V,?>>
extends HiCOPreprocessor<V>

Computes the HiCO correlation dimension of objects of a certain database. The PCA is based on epsilon range queries.

Author:

Elke Achtert

Field Summary

protected String	epsilon Epsilon.
static String	EPSILON_D Description for parameter epsilon.
static String	EPSILON_P Parameter for epsilon.

Fields inherited from class de.lmu.ifi.dbs.elki.preprocessing.HiCOPreprocessor

DEFAULT_PCA_CLASS, DEFAULT_PCA_DISTANCE_FUNCTION, PCA_CLASS_D, PCA_CLASS_P, PCA_DISTANCE_FUNCTION_D, PCA_DISTANCE_FUNCTION_P, pcaClassName, pcaDistanceFunction

Fields inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizable

optionHandler

Fields inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debug

Constructor Summary

RangeQueryBasedHiCOPreprocessor()
Provides a new Preprocessor that computes the correlation dimension of objects of a certain database based on a range query.

Method Summary

String	description() Returns a description of the class and the required parameters.
protected List<Integer>	objectIDsForPCA(Integer id, Database<V> database, boolean verbose, boolean time) Returns the ids of the objects stored in the specified database to be considerd within the PCA for the specified object id.
String[]	setParameters(String[] args) Sets the value for the required parameter k.

Methods inherited from class de.lmu.ifi.dbs.elki.preprocessing.HiCOPreprocessor

getAttributeSettings, run

Methods inherited from class de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizable

addOption, checkGlobalParameterConstraints, deleteOption, description, description, getParameters, getParameterValue, getPossibleOptions, inlineDescription, isSet, 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

Methods inherited from interface de.lmu.ifi.dbs.elki.utilities.optionhandling.Parameterizable

checkGlobalParameterConstraints, getParameters, getPossibleOptions, inlineDescription

Field Detail

EPSILON_P

public static final String EPSILON_P

Parameter for epsilon.

See Also:

Constant Field Values

EPSILON_D

public static final String EPSILON_D

Description for parameter epsilon.

See Also:

Constant Field Values

epsilon

protected String epsilon

Epsilon.

Constructor Detail

RangeQueryBasedHiCOPreprocessor

public RangeQueryBasedHiCOPreprocessor()

Provides a new Preprocessor that computes the correlation dimension of objects of a certain database based on a range query.

Method Detail

objectIDsForPCA

protected List<Integer> objectIDsForPCA(Integer id,
                                        Database<V> database,
                                        boolean verbose,
                                        boolean time)

Description copied from class: HiCOPreprocessor

Returns the ids of the objects stored in the specified database to be considerd within the PCA for the specified object id.

Specified by:

objectIDsForPCA in class HiCOPreprocessor<V extends RealVector<V,?>>

Parameters:

id - the id of the object for which a PCA should be performed

database - the database holding the objects

verbose - flag to allow verbose messages while performing the algorithm

time - flag to request output of performance time

Returns:

the list of the object ids to be considerd within the PCA

See Also:

HiCOPreprocessor.objectIDsForPCA(Integer, de.lmu.ifi.dbs.elki.database.Database, boolean, boolean)

setParameters

public String[] setParameters(String[] args)
                       throws ParameterException

Sets the value for the required parameter k.

Specified by:

setParameters in interface Parameterizable

Overrides:

setParameters in class HiCOPreprocessor<V extends RealVector<V,?>>

Parameters:

args - parameters to set the attributes accordingly to

Returns:

String[] an array containing the unused parameters

Throws:

ParameterException - in case of wrong parameter-setting

See Also:

Parameterizable.setParameters(String[])

description

public String description()

Returns a description of the class and the required parameters.

This description should be suitable for a usage description.

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()