|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.statcato.statistics.inferential.GoodnessOfFitTest
public class GoodnessOfFitTest
A Chi-square goodness-of-fit test.
Constructor Summary | |
---|---|
GoodnessOfFitTest(int k,
double confidence)
Constructor. |
Method Summary | |
---|---|
double |
criticalValue()
Returns the critical value corresponding to the significance level and degrees of freedom. |
int |
DOF()
Returns the degrees of freedom. |
double |
pValue(double ts)
Returns the p-Value corresponding to the given test statistic in a chi-square distribution. |
double |
testStatistic(java.util.Vector<java.lang.Double> observedFreq,
java.util.Vector<java.lang.Double> expectedFreq)
Computes the chi-square test statistic for goodness-of-fit test in multinomial experiment, given the observed and expected frequencies. |
java.util.Vector<java.lang.Double> |
testStatisticContribution(java.util.Vector<java.lang.Double> observedFreq,
java.util.Vector<java.lang.Double> expectedFreq)
Returns a vector of each observed frequency's contribution to the chi-square test statistic. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public GoodnessOfFitTest(int k, double confidence)
k
- number of categoriesconfidence
- confidence levelMethod Detail |
---|
public java.util.Vector<java.lang.Double> testStatisticContribution(java.util.Vector<java.lang.Double> observedFreq, java.util.Vector<java.lang.Double> expectedFreq)
observedFreq
- vector of observed frequenciesexpectedFreq
- vector of expected frequencies
public double testStatistic(java.util.Vector<java.lang.Double> observedFreq, java.util.Vector<java.lang.Double> expectedFreq)
observedFreq
- a vector of observed frequenciesexpectedFreq
- a vector of expected frequencies
public int DOF()
public double criticalValue()
public double pValue(double ts)
ts
-
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |