public class C45PruneableClassifierTree extends ClassifierTree
m_id, m_isEmpty, m_isLeaf, m_localModel, m_sons, m_test, m_toSelectModel, m_train
BayesNet, Newick, NOT_DRAWABLE, TREE
Constructor and Description |
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C45PruneableClassifierTree(ModelSelection toSelectLocModel,
boolean pruneTree,
float cf,
boolean raiseTree,
boolean cleanup)
Constructor for pruneable tree structure.
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Modifier and Type | Method and Description |
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void |
buildClassifier(Instances data)
Method for building a pruneable classifier tree.
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void |
collapse()
Collapses a tree to a node if training error doesn't increase.
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Capabilities |
getCapabilities()
Returns default capabilities of the classifier tree.
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protected ClassifierTree |
getNewTree(Instances data)
Returns a newly created tree.
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String |
getRevision()
Returns the revision string.
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void |
prune()
Prunes a tree using C4.5's pruning procedure.
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assignIDs, buildTree, buildTree, classifyInstance, cleanup, distributionForInstance, getNewTree, graph, graphType, nextID, numLeaves, numNodes, prefix, resetID, toSource, toString
public C45PruneableClassifierTree(ModelSelection toSelectLocModel, boolean pruneTree, float cf, boolean raiseTree, boolean cleanup) throws Exception
toSelectLocModel
- selection method for local splitting modelpruneTree
- true if the tree is to be prunedcf
- the confidence factor for pruningraiseTree
- cleanup
- Exception
- if something goes wrongpublic Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
getCapabilities
in class ClassifierTree
Capabilities
public void buildClassifier(Instances data) throws Exception
buildClassifier
in class ClassifierTree
data
- the data for building the treeException
- if something goes wrongpublic final void collapse()
public void prune() throws Exception
Exception
- if something goes wrongprotected ClassifierTree getNewTree(Instances data) throws Exception
getNewTree
in class ClassifierTree
data
- the data to work withException
- if something goes wrongpublic String getRevision()
getRevision
in interface RevisionHandler
getRevision
in class ClassifierTree
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