org.activemath.studentmodel2.assessment.tbm
Class EvidenceAnalyzer

java.lang.Object
  org.activemath.studentmodel2.assessment.tbm.EvidenceAnalyzer

public class EvidenceAnalyzer
extends Object

This class analyzes Evidences (atm ExerciseResults) upon their support for different hypotheses, like support for belief, that a user has some competencyLevel and the associated plausibility or degree of belief of the hypothesis.

Field Summary

protected static double[]	delta
protected static Logger	log
protected static double[]	miu

Constructor Summary

EvidenceAnalyzer()
Empty default Constructor

Method Summary

HypothesesContainer

getHypotheses(Evidence evidence) Get a map of hypotheses and their associated plausibility values from an evidence (ExerciseResult).

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static Logger log

delta

protected static final double[] delta

miu

protected static final double[] miu

Constructor Detail

EvidenceAnalyzer

public EvidenceAnalyzer()

Empty default Constructor

Method Detail

getHypotheses

public HypothesesContainer getHypotheses(Evidence evidence)

Get a map of hypotheses and their associated plausibility values from an evidence (ExerciseResult).

Parameters:

evidence - - The evidence in form of an ExerciseResult

Returns:

- A map with key: the hypothesis name, and the value: plausibility in [0,1] for the hypothesis