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kddml.Core.DataSources.NominalStatistic Class Reference

Inheritance diagram for kddml.Core.DataSources.NominalStatistic:

kddml.Core.DataSources.AttributeStatistic kddml.Core.DataSources.NominalStatisticManager kddml.Core.DataSources.AttributeStatisticManager kddml.Core.DataSources.AttributeStatisticManager List of all members.

Public Member Functions

String toString ()
Enumeration getValues ()
int getNumberOfValues ()
int getCardinality (String value)
double getCardinalityPerc (String value)

Protected Member Functions

Attribute toAttribute ()

Detailed Description

This class contains statistical information about a single discrete attribute.

Title: KDDML

Description: Knowledge Discovery in Database Environment

Copyright: Copyright (c) 2003-2005

Company: Universita' di Pisa - Dipartimento di Informatica

Author:
Andrea Romei (romei@di.unipi.it)
Version:
2.0.16


Member Function Documentation

String kddml.Core.DataSources.NominalStatistic.toString  ) 
 

Returns a representation of this object as string.

Returns:
Enumeration

Reimplemented from kddml.Core.DataSources.AttributeStatistic.

Enumeration kddml.Core.DataSources.NominalStatistic.getValues  ) 
 

Returns an enumeration of category values as strings.

Returns:
Enumeration

Implements kddml.Core.DataSources.NominalStatisticManager.

int kddml.Core.DataSources.NominalStatistic.getNumberOfValues  ) 
 

Returns the number of categories.

Returns:
int

Implements kddml.Core.DataSources.NominalStatisticManager.

int kddml.Core.DataSources.NominalStatistic.getCardinality String  value  ) 
 

Returns the frequency of a given category value. Returns -1 if the input category do not exist.

Parameters:
value String
Returns:
int

Implements kddml.Core.DataSources.NominalStatisticManager.

double kddml.Core.DataSources.NominalStatistic.getCardinalityPerc String  value  ) 
 

Returns the frequency of a given category value as percentage. Returns -1 if the input category do not exist.

Parameters:
value String
Returns:
double a number between 0 and 1.

Implements kddml.Core.DataSources.NominalStatisticManager.

Attribute kddml.Core.DataSources.NominalStatistic.toAttribute  )  [protected, virtual]
 

Returns a representation of this object as weka.core.Attribute.

Returns:
Attribute

Implements kddml.Core.DataSources.AttributeStatistic.


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