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java.lang.Objectweka.classifiers.trees.j48.ClassifierTree
public class ClassifierTree
Class for handling a tree structure used for classification.
| Field Summary |
|---|
| Fields inherited from interface weka.core.Drawable |
|---|
BayesNet, Newick, NOT_DRAWABLE, TREE |
| Constructor Summary | |
|---|---|
ClassifierTree(ModelSelection toSelectLocModel)
Constructor. |
|
| Method Summary | |
|---|---|
int |
assignIDs(int lastID)
Assigns a uniqe id to every node in the tree. |
void |
buildClassifier(Instances data)
Method for building a classifier tree. |
void |
buildTree(Instances data,
boolean keepData)
Builds the tree structure. |
void |
buildTree(Instances train,
Instances test,
boolean keepData)
Builds the tree structure with hold out set |
double |
classifyInstance(Instance instance)
Classifies an instance. |
void |
cleanup(Instances justHeaderInfo)
Cleanup in order to save memory. |
double[] |
distributionForInstance(Instance instance,
boolean useLaplace)
Returns class probabilities for a weighted instance. |
Capabilities |
getCapabilities()
Returns default capabilities of the classifier tree. |
java.lang.String |
getRevision()
Returns the revision string. |
java.lang.String |
graph()
Returns graph describing the tree. |
int |
graphType()
Returns the type of graph this classifier represents. |
int |
numLeaves()
Returns number of leaves in tree structure. |
int |
numNodes()
Returns number of nodes in tree structure. |
java.lang.String |
prefix()
Returns tree in prefix order. |
java.lang.StringBuffer[] |
toSource(java.lang.String className)
Returns source code for the tree as an if-then statement. |
java.lang.String |
toString()
Prints tree structure. |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public ClassifierTree(ModelSelection toSelectLocModel)
| Method Detail |
|---|
public Capabilities getCapabilities()
getCapabilities in interface CapabilitiesHandlerCapabilities
public void buildClassifier(Instances data)
throws java.lang.Exception
data - the data to build the tree from
java.lang.Exception - if something goes wrong
public void buildTree(Instances data,
boolean keepData)
throws java.lang.Exception
data - the data for which the tree structure is to be
generated.keepData - is training data to be kept?
java.lang.Exception - if something goes wrong
public void buildTree(Instances train,
Instances test,
boolean keepData)
throws java.lang.Exception
train - the data for which the tree structure is to be
generated.test - the test data for potential pruningkeepData - is training Data to be kept?
java.lang.Exception - if something goes wrong
public double classifyInstance(Instance instance)
throws java.lang.Exception
instance - the instance to classify
java.lang.Exception - if something goes wrongpublic final void cleanup(Instances justHeaderInfo)
justHeaderInfo -
public final double[] distributionForInstance(Instance instance,
boolean useLaplace)
throws java.lang.Exception
instance - the instance to get the distribution foruseLaplace - whether to use laplace or not
java.lang.Exception - if something goes wrongpublic int assignIDs(int lastID)
lastID - the last ID that was assign
public int graphType()
graphType in interface Drawable
public java.lang.String graph()
throws java.lang.Exception
graph in interface Drawablejava.lang.Exception - if something goes wrong
public java.lang.String prefix()
throws java.lang.Exception
java.lang.Exception - if something goes wrong
public java.lang.StringBuffer[] toSource(java.lang.String className)
throws java.lang.Exception
className - the classname that this static classifier has
java.lang.Exception - if something goes wrongpublic int numLeaves()
public int numNodes()
public java.lang.String toString()
toString in class java.lang.Objectpublic java.lang.String getRevision()
getRevision in interface RevisionHandler
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