de.lmu.ifi.dbs.elki.evaluation.outlier

Class OutlierPrecisionRecallCurve.PRCurve

java.lang.Object

de.lmu.ifi.dbs.elki.math.geometry.XYCurve

de.lmu.ifi.dbs.elki.evaluation.outlier.OutlierPrecisionRecallCurve.PRCurve

All Implemented Interfaces:

Result

Enclosing class:

OutlierPrecisionRecallCurve

public static class OutlierPrecisionRecallCurve.PRCurve
extends XYCurve

P/R Curve

Author:

Erich Schubert

Nested Class Summary

Nested classes/interfaces inherited from class de.lmu.ifi.dbs.elki.math.geometry.XYCurve

XYCurve.Itr

Field Summary

Fields

Modifier and Type	Field and Description
(package private) double	auc Area under curve
(package private) int	positive Number of positive observations

Fields inherited from class de.lmu.ifi.dbs.elki.math.geometry.XYCurve

data, labelx, labely, maxx, maxy, minx, miny, THRESHOLD

Constructor Summary

Constructors

Constructor and Description
PRCurve(int size, int positive) Constructor.

Method Summary

Modifier and Type	Method and Description
double	getAUC() Get AUC value
java.lang.String	getLongName() A "pretty" name for the result, for use in titles, captions and menus.
java.lang.String	getShortName() A short name for the result, useful for file names.

Methods inherited from class de.lmu.ifi.dbs.elki.math.geometry.XYCurve

add, addAndSimplify, areaUnderCurve, getLabelx, getLabely, getMaxx, getMaxy, getMinx, getMiny, getX, getY, iterator, rescale, size, toString

Methods inherited from class java.lang.Object

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

Field Detail

auc

double auc

Area under curve

positive

int positive

Number of positive observations

Constructor Detail

PRCurve

public PRCurve(int size,
               int positive)

Constructor.

Parameters:

size - Size estimation

positive - Number of positive elements (for AUC correction)

Method Detail

getLongName

public java.lang.String getLongName()

Description copied from interface: Result

A "pretty" name for the result, for use in titles, captions and menus.

Specified by:

getLongName in interface Result

Overrides:

getLongName in class XYCurve

Returns:

result name

getShortName

public java.lang.String getShortName()

Description copied from interface: Result

A short name for the result, useful for file names.

Specified by:

getShortName in interface Result

Overrides:

getShortName in class XYCurve

Returns:

result name

getAUC

public double getAUC()

Get AUC value

Returns:

AUC value