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Class weka.classifiers.kstar.KStarCache

java.lang.Object
    |
    +----weka.classifiers.kstar.KStarCache

public class KStarCache
extends java.lang.Object
A class representing the caching system used to keep track of each attribute value and its corresponding scale factor or stop parameter.

Version:
$Revision 1.0 $
Author:
Len Trigg (len@intelligenesis.net)
Author:
Abdelaziz Mahoui (am14@cs.waikato.ac.nz)

Class Index

 o KStarCache.CacheTable
A custom hashtable class to support the caching system.
 o KStarCache.TableEntry
Hashtable collision list.

Constructor Index

 o KStarCache()
 

Method Index

 o containsKey(double)
Checks if the specified key maps with an entry in the cache table
 o getCacheValues(double)
Returns the values in the cache mapped by the specified key
 o store(double, double, double)
Stores the specified values in the cahce table for easy retrieval.

Constructor Detail

 o KStarCache
public KStarCache()

Method Detail

 o store
public void store(double key,
                  double value,
                  double pmiss)
          Stores the specified values in the cahce table for easy retrieval.
Parameters:
key - attribute value used key to lookup the cache table.
value - cache parameter: attribute scale/stop parameter.
pmiss - cache parameter: transformation probability to attribute with missing value.
 o containsKey
public boolean containsKey(double key)
          Checks if the specified key maps with an entry in the cache table
Parameters:
key - the key to map with an entry in the hashtable.
 o getCacheValues
public KStarCache.TableEntry getCacheValues(double key)
          Returns the values in the cache mapped by the specified key
Parameters:
key - the key used to retrieve the table entry.

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