All Packages  Class Hierarchy  This Package  Previous  Next  Index  WEKA's home

Class weka.classifiers.MultiClassClassifier 

java.lang.Object
   |
   +----weka.classifiers.Classifier
           |
           +----weka.classifiers.DistributionClassifier
                   |
                   +----weka.classifiers.MultiClassClassifier
public class MultiClassClassifier
extends DistributionClassifier
implements OptionHandler, WeightedInstancesHandler
Class for handling multi-class datasets with 2-class distribution classifiers.

Valid options are:

-W classname
Specify the full class name of a classifier as the basis for the multi-class classifier (required).

Version:
$Revision: 1.7 $
Author:
Eibe Frank (eibe@cs.waikato.ac.nz), Len Trigg (trigg@cs.waikato.ac.nz)

Constructor Index

o MultiClassClassifier()

Method Index

o buildClassifier(Instances)
Builds the classifiers.
o distributionForInstance(Instance)
Returns the distribution for an instance.
o getClassifier()
Get the classifier used as the classifier
o getOptions()
Gets the current settings of the Classifier.
o listOptions()
Returns an enumeration describing the available options
o main(String[])
Main method for testing this class.
o setClassifier(Classifier)
Set the base classifier.
o setOptions(String[])
Parses a given list of options.
o toString()
Prints the classifiers.

Constructors

o MultiClassClassifier 
 public MultiClassClassifier()

Methods

o buildClassifier 
 public void buildClassifier(Instances insts) throws Exception
Builds the classifiers.

Parameters:
insts - the training data.
Throws: Exception
if a classifier can't be built
Overrides:
buildClassifier in class Classifier
o distributionForInstance 
 public double[] distributionForInstance(Instance inst) throws Exception
Returns the distribution for an instance.

Throws: Exception
if the distribution can't be computed successfully
Overrides:
distributionForInstance in class DistributionClassifier
o toString 
 public String toString()
Prints the classifiers.

Overrides:
toString in class Object
o listOptions 
 public Enumeration listOptions()
Returns an enumeration describing the available options

Returns:
an enumeration of all the available options
o setOptions 
 public void setOptions(String options[]) throws Exception
Parses a given list of options. Valid options are:

-W classname
Specify the full class name of a learner as the basis for the multiclassclassifier (required).

Parameters:
options - the list of options as an array of strings
Throws: Exception
if an option is not supported
o getOptions 
 public String[] getOptions()
Gets the current settings of the Classifier.

Returns:
an array of strings suitable for passing to setOptions
o setClassifier 
 public void setClassifier(Classifier newClassifier)
Set the base classifier.

Parameters:
newClassifier - the Classifier to use.
o getClassifier 
 public Classifier getClassifier()
Get the classifier used as the classifier

Returns:
the classifier used as the classifier
o main 
 public static void main(String argv[])
Main method for testing this class.

Parameters:
argv - the options 
All Packages  Class Hierarchy  This Package  Previous  Next  Index  WEKA's home