keel.Algorithms.Preprocess.Missing_Values.wknnImpute

Class FreqList

java.lang.Object

keel.Algorithms.Preprocess.Missing_Values.wknnImpute.FreqList

public class FreqList
extends java.lang.Object

This class represents a list of frequencies of Strings

Since:

JDK 1.5

Version:

0.3

Author:

Written by Julián Luengo Martín 07/03/2006

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Vector	freqs Frequencies vector of strings.
protected int	index Iterator index.
protected int	totalElements Total elements in the list.

Constructor Summary

Constructors

Constructor and Description
FreqList() Default constructor.

Method Summary

Modifier and Type	Method and Description
void	AddElement(java.lang.String newElem) Adds an item to the list, increasing it frequency by one.
ValueFreq	elementAt(int i) The element at position indicated (i.e. the not-stored element inserted in position i)
ValueFreq	getCurrent() Obtains the element pointed currently by the iterator
boolean	iterate() Iterates to the next element in the list
ValueFreq	mostCommon() Extracts the most common element, i.e. the element with highest frequency
int	numElems() The number of different elements stored
boolean	outOfBounds() Test if the iterator is out of the bounds of the list
void	reset() Reset the iterator to the beginning of the list.
int	totalElems() The total number of elements stored, i.e. the sum of all the frequencies

Methods inherited from class java.lang.Object

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

Field Detail

freqs

protected java.util.Vector freqs

Frequencies vector of strings.

index

protected int index

Iterator index.

totalElements

protected int totalElements

Total elements in the list.

Constructor Detail

FreqList

public FreqList()

Default constructor. Initializes all to zero and allocates memory.

Method Detail

AddElement

public void AddElement(java.lang.String newElem)

Adds an item to the list, increasing it frequency by one.

Parameters:

newElem - The elemento to be added

mostCommon

public ValueFreq mostCommon()

Extracts the most common element, i.e. the element with highest frequency

Returns:

The most repeated element

numElems

public int numElems()

The number of different elements stored

Returns:

The number of different elements

elementAt

public ValueFreq elementAt(int i)

The element at position indicated (i.e. the not-stored element inserted in position i)

Parameters:

i - The index of the element to be retrieved

Returns:

The indexed element

reset

public void reset()

Reset the iterator to the beginning of the list.

iterate

public boolean iterate()

Iterates to the next element in the list

Returns:

True if still there are more elements remaining, false if the end of the list has been reached.

getCurrent

public ValueFreq getCurrent()

Obtains the element pointed currently by the iterator

Returns:

The current element

outOfBounds

public boolean outOfBounds()

Test if the iterator is out of the bounds of the list

Returns:

True if the iterator is beyond the limit, of false if there are still more elements

totalElems

public int totalElems()

The total number of elements stored, i.e. the sum of all the frequencies

Returns:

the total number of elements added to this list