weka.associations

Class FPGrowth.FrequentBinaryItemSet

java.lang.Object

weka.associations.FPGrowth.FrequentBinaryItemSet

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Enclosing class:

FPGrowth

protected static class FPGrowth.FrequentBinaryItemSet
extends java.lang.Object
implements java.io.Serializable, java.lang.Cloneable

Class for maintaining a frequent item set.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.ArrayList<BinaryItem>	m_items The list of items in the item set
protected int	m_support the support of this item set

Constructor Summary

Constructors

Constructor and Description
FrequentBinaryItemSet(java.util.ArrayList<BinaryItem> items, int support) Constructor

Method Summary

Modifier and Type	Method and Description
void	addItem(BinaryItem i) Add an item to this item set.
java.lang.Object	clone() Make a copy of this item set.
BinaryItem	getItem(int index) Get a particular item from this item set.
java.util.Collection<BinaryItem>	getItems() Get the items in this item set.
int	getSupport() Get the support of this item set.
int	numberOfItems() Get the number of items in this item set.
void	setSupport(int support) Set the support for this item set.
java.lang.String	toString() Get a textual description of this item set.

Methods inherited from class java.lang.Object

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

Field Detail

m_items

protected java.util.ArrayList<BinaryItem> m_items

The list of items in the item set

m_support

protected int m_support

the support of this item set

Constructor Detail

FrequentBinaryItemSet

public FrequentBinaryItemSet(java.util.ArrayList<BinaryItem> items,
                             int support)

Constructor

Parameters:

items - the items that make up the frequent item set.

support - the support of this item set.

Method Detail

addItem

public void addItem(BinaryItem i)

Add an item to this item set.

Parameters:

i - the item to add.

setSupport

public void setSupport(int support)

Set the support for this item set.

Parameters:

support - the support for this item set.

getSupport

public int getSupport()

Get the support of this item set.

Returns:

the support of this item set.

getItems

public java.util.Collection<BinaryItem> getItems()

Get the items in this item set.

Returns:

the items in this item set.

getItem

public BinaryItem getItem(int index)

Get a particular item from this item set.

Parameters:

index - the index of the item to get.

Returns:

the item.

numberOfItems

public int numberOfItems()

Get the number of items in this item set.

Returns:

the number of items in this item set.

toString

public java.lang.String toString()

Get a textual description of this item set.

Overrides:

toString in class java.lang.Object

Returns:

a textual description of this item set.

clone

public java.lang.Object clone()

Make a copy of this item set.

Overrides:

clone in class java.lang.Object

Returns:

a copy of this item set.