weka.core

Class AttributeStats

java.lang.Object

weka.core.AttributeStats

All Implemented Interfaces:

Serializable, RevisionHandler

public class AttributeStats
extends Object
implements Serializable, RevisionHandler

A Utility class that contains summary information on an the values that appear in a dataset for a particular attribute.

Version:

$Revision: 8034 $

Author:

Len Trigg

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
int	distinctCount The number of distinct values
int	intCount The number of int-like values
int	missingCount The number of missing values
int[]	nominalCounts Counts of each nominal value
double[]	nominalWeights Weight mass for each nominal value
Stats	numericStats Stats on numeric value distributions
int	realCount The number of real-like values (i.e.
int	totalCount The total number of values (i.e.
int	uniqueCount The number of values that only appear once

Constructor Summary

Constructors

Constructor and Description
AttributeStats()

Method Summary

Methods

Modifier and Type	Method and Description
String	getRevision() Returns the revision string.
String	toString() Returns a human readable representation of this AttributeStats instance.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

intCount

public int intCount

The number of int-like values

realCount

public int realCount

The number of real-like values (i.e. have a fractional part)

missingCount

public int missingCount

The number of missing values

distinctCount

public int distinctCount

The number of distinct values

uniqueCount

public int uniqueCount

The number of values that only appear once

totalCount

public int totalCount

The total number of values (i.e. number of instances)

numericStats

public Stats numericStats

Stats on numeric value distributions

nominalCounts

public int[] nominalCounts

Counts of each nominal value

nominalWeights

public double[] nominalWeights

Weight mass for each nominal value

Constructor Detail

AttributeStats

public AttributeStats()

Method Detail

toString

public String toString()

Returns a human readable representation of this AttributeStats instance.

Overrides:

toString in class Object

Returns:

a String represtinging these AttributeStats.

getRevision

public String getRevision()

Returns the revision string.

Specified by:

getRevision in interface RevisionHandler

Returns:

the revision