Package weka.classifiers.trees.j48
Class PruneableClassifierTree
java.lang.Object
weka.classifiers.trees.j48.ClassifierTree
weka.classifiers.trees.j48.PruneableClassifierTree
- All Implemented Interfaces:
Serializable,CapabilitiesHandler,Drawable,RevisionHandler
Class for handling a tree structure that can
be pruned using a pruning set.
- Version:
- $Revision: 14534 $
- Author:
- Eibe Frank (eibe@cs.waikato.ac.nz)
- See Also:
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Field Summary
Fields inherited from interface weka.core.Drawable
BayesNet, Newick, NOT_DRAWABLE, TREE -
Constructor Summary
ConstructorsConstructorDescriptionPruneableClassifierTree(ModelSelection toSelectLocModel, boolean pruneTree, int num, boolean cleanup, int seed) Constructor for pruneable tree structure. -
Method Summary
Modifier and TypeMethodDescriptionvoidbuildClassifier(Instances data) Method for building a pruneable classifier tree.Returns the revision string.voidprune()Prunes a tree.Methods inherited from class weka.classifiers.trees.j48.ClassifierTree
assignIDs, buildTree, buildTree, classifyInstance, cleanup, distributionForInstance, getCapabilities, getLocalModel, getMembershipValues, getSons, getTrainingData, graph, graphType, isLeaf, numLeaves, numNodes, prefix, toSource, toString
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Constructor Details
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PruneableClassifierTree
public PruneableClassifierTree(ModelSelection toSelectLocModel, boolean pruneTree, int num, boolean cleanup, int seed) throws Exception Constructor for pruneable tree structure. Stores reference to associated training data at each node.- Parameters:
toSelectLocModel- selection method for local splitting modelpruneTree- true if the tree is to be prunednum- number of subsets of equal sizecleanup-seed- the seed value to use- Throws:
Exception- if something goes wrong
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Method Details
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buildClassifier
Method for building a pruneable classifier tree.- Overrides:
buildClassifierin classClassifierTree- Parameters:
data- the data to build the tree from- Throws:
Exception- if tree can't be built successfully
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prune
Prunes a tree.- Throws:
Exception- if tree can't be pruned successfully
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getRevision
Returns the revision string.- Specified by:
getRevisionin interfaceRevisionHandler- Overrides:
getRevisionin classClassifierTree- Returns:
- the revision
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