mark.nlp.weka
Class Sahami

java.lang.Object
  |
  +--weka.classifiers.Classifier
        |
        +--weka.classifiers.DistributionClassifier
              |
              +--mark.nlp.weka.Sahami

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable, weka.core.WeightedInstancesHandler

public class Sahami

extends weka.classifiers.DistributionClassifier

implements weka.core.WeightedInstancesHandler

See Also:

Serialized Form

Constructor Summary

Sahami()

Method Summary

void	buildClassifier(weka.core.Instances instances) Trains the classifier.
static void	checkForUnderflow(double[] probs)
double[]	distributionForInstance(weka.core.Instance instance)
static void	main(java.lang.String[] argv)
protected static double[]	toDoubleArray(weka.core.Instance instance) Converts a weka instance into a double array.

Methods inherited from class weka.classifiers.DistributionClassifier

classifyInstance

Methods inherited from class weka.classifiers.Classifier

forName, makeCopies

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Sahami

public Sahami()

Method Detail

toDoubleArray

protected static double[] toDoubleArray(weka.core.Instance instance)
                                 throws java.lang.Exception

Converts a weka instance into a double array. The array will not have the category.

java.lang.Exception

buildClassifier

public void buildClassifier(weka.core.Instances instances)
                     throws java.lang.Exception

Trains the classifier. Overrides version in weka.classifier.Classifier. Based on work by Sahami.

Specified by:

buildClassifier in class weka.classifiers.Classifier

java.lang.Exception

checkForUnderflow

public static void checkForUnderflow(double[] probs)

distributionForInstance

public double[] distributionForInstance(weka.core.Instance instance)
                                 throws java.lang.Exception

Specified by:

distributionForInstance in class weka.classifiers.DistributionClassifier

java.lang.Exception

main

public static void main(java.lang.String[] argv)