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kddml.Core.DataSources.AttributeStatistic Class Reference

Inheritance diagram for kddml.Core.DataSources.AttributeStatistic:

kddml.Core.DataSources.AttributeStatisticManager kddml.Core.DataSources.NominalStatistic kddml.Core.DataSources.NumericalStatistic kddml.Core.DataSources.StringStatistic List of all members.

Public Member Functions

String getName ()
AttributeType getType ()
int getMissingCount ()
double getMissingCountPerc ()
String toString ()
HierarchyModelManager getTaxonomy ()
void setTaxonomy (HierarchyModelManager taxonomy)

Protected Member Functions

abstract Attribute toAttribute ()

Detailed Description

This class contains statistical information about a single data attribute. Statistic elements have a field name and a field type (for example, discrete or continuous). The statistics depend on the attribute type and can include the most frequent values or the mean of values.
An hierarchy object can be related to a non-numeric attributes.

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

abstract Attribute kddml.Core.DataSources.AttributeStatistic.toAttribute  )  [protected, pure virtual]
 

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

Returns:
Attribute

Implemented in kddml.Core.DataSources.NominalStatistic, kddml.Core.DataSources.NumericalStatistic, and kddml.Core.DataSources.StringStatistic.

String kddml.Core.DataSources.AttributeStatistic.getName  ) 
 

Returns the attribute name.

Returns:
String

Implements kddml.Core.DataSources.AttributeStatisticManager.

AttributeType kddml.Core.DataSources.AttributeStatistic.getType  ) 
 

Returns the attribute type.

Returns:
AttributeType

Implements kddml.Core.DataSources.AttributeStatisticManager.

int kddml.Core.DataSources.AttributeStatistic.getMissingCount  ) 
 

Returns the number of missing instances for that attribute.

Returns:
int

Implements kddml.Core.DataSources.AttributeStatisticManager.

double kddml.Core.DataSources.AttributeStatistic.getMissingCountPerc  ) 
 

Returns the number of missing instances for that attribute as percentage number.

Returns:
double a value between 0 and 1.

Implements kddml.Core.DataSources.AttributeStatisticManager.

String kddml.Core.DataSources.AttributeStatistic.toString  ) 
 

Returns a representation of this object as string.

Returns:
String

Implements kddml.Core.DataSources.AttributeStatisticManager.

Reimplemented in kddml.Core.DataSources.NominalStatistic, kddml.Core.DataSources.NumericalStatistic, and kddml.Core.DataSources.StringStatistic.

HierarchyModelManager kddml.Core.DataSources.AttributeStatistic.getTaxonomy  ) 
 

Returns the taxonomy related to this attribute. Return null if the attribute hasn't a taxonomy.

Returns:
HierarchyModelManager

Implements kddml.Core.DataSources.AttributeStatisticManager.

void kddml.Core.DataSources.AttributeStatistic.setTaxonomy HierarchyModelManager  taxonomy  ) 
 

Sets the taxonomy to this attribute.

Parameters:
taxonomy HierarchyModelManager

Implements kddml.Core.DataSources.AttributeStatisticManager.


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