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kddml.Core.DataSources.NumericalStatisticManager Interface Reference

Inheritance diagram for kddml.Core.DataSources.NumericalStatisticManager:

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

Public Member Functions

double getMean ()
double getStandardDeviation ()
double getVariance ()
Double getMinValue ()
Double getMaxValue ()

Detailed Description

Interface for statistics on a numeric 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

double kddml.Core.DataSources.NumericalStatisticManager.getMean  ) 
 

Returns the mean of the values.

Returns:
double

Implemented in kddml.Core.DataSources.NumericalStatistic.

double kddml.Core.DataSources.NumericalStatisticManager.getStandardDeviation  ) 
 

Returns the standard deviation of the values (i.e. the squared root of the variance).

Returns:
double

Implemented in kddml.Core.DataSources.NumericalStatistic.

double kddml.Core.DataSources.NumericalStatisticManager.getVariance  ) 
 

Returns the variance of the values.

Returns:
double

Implemented in kddml.Core.DataSources.NumericalStatistic.

Double kddml.Core.DataSources.NumericalStatisticManager.getMinValue  ) 
 

Returns the minimum value. Returns null if the number of instances is 0.

Returns:
Double

Implemented in kddml.Core.DataSources.NumericalStatistic.

Double kddml.Core.DataSources.NumericalStatisticManager.getMaxValue  ) 
 

Returns the maximum value. Returns null if the number of instances is 0.

Returns:
Double

Implemented in kddml.Core.DataSources.NumericalStatistic.


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