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java.lang.Objectmodelling.fiti.data.Filt
public class Filt
Class implementing the Filt structure described in article; Efficient Mining of Intertransaction Association Rules, by A K H Tung, H lu, J Han and L Feng (2003).
Constructor Summary | |
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Filt()
Constructor creatin a new FILT instance. |
Method Summary | |
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void |
addItemSet(ItemSet set)
Method for adding an itemset. |
int |
findIndexOfSet(ItemSet set)
Method for getting the index of a given itemset. |
java.util.ArrayList |
getAllObjectsIn(int index)
Method for gettin all items, itemsets of size 1, in given itemset. |
java.util.ArrayList |
getChildrenOf(int index)
Method for getting all children of given itemset. |
java.util.ArrayList |
getFirstItemSets()
Method for gettin all itemsets of size 1. |
ItemSet |
getItemSet(int index)
Mehtod for getting an itemset. |
int |
size()
Method for getting the size of, the number itemsets in, the filt structure |
java.lang.String |
toString()
Methodd for getting a printable representation of the filt structure. |
void |
updatePointers()
Method for generating pointers between parents -> children, and parents -> elements, where elements are all single items in the itemset. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Filt()
Method Detail |
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public void addItemSet(ItemSet set)
set
- The itemsetpublic void updatePointers()
public ItemSet getItemSet(int index)
index
- The index
public java.util.ArrayList getFirstItemSets()
public java.util.ArrayList getChildrenOf(int index)
index
- The index of parent itemset
public int size()
public java.util.ArrayList getAllObjectsIn(int index)
index
- The index
public int findIndexOfSet(ItemSet set)
public java.lang.String toString()
toString
in class java.lang.Object
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