public class WilcoxonSignedRank extends HypothesisTest
wilcox.test
.Constructor and Description |
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WilcoxonSignedRank(double[] sample)
Perform the Wilcoxon Signed Rank test to test for the equality of medians.
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WilcoxonSignedRank(double[] sample1,
double[] sample2)
Perform the Wilcoxon Signed Rank test to test for the equality of medians.
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WilcoxonSignedRank(double[] sample1,
double[] sample2,
double mu,
boolean isExact)
Perform the Wilcoxon Signed Rank test to test for the equality of medians.
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WilcoxonSignedRank(double[] sample,
int mu)
Perform the Wilcoxon Signed Rank test to test for the equality of medians.
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Modifier and Type | Method and Description |
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String |
getAlternativeHypothesis()
Get the description of the alternative hypothesis.
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String |
getNullHypothesis()
Get a description of the null hypothesis.
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double |
leftOneSidedPvalue()
Get the left, one-sided p-value.
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double |
pValue()
Get the p-value for the test statistics.
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double |
rightOneSidedPvalue()
Get the right, one-sided p-value.
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double |
statistics()
Get the test statistics.
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isNullRejected, nGroups, nObs, oneSidedPvalue
public WilcoxonSignedRank(double[] sample1, double[] sample2, double mu, boolean isExact)
sample1
- sample 1sample2
- sample 2mu
- the hypothetical median that the distribution is symmetric aboutisExact
- true
if to use the exact distribution; otherwise, normal approximation is usedpublic WilcoxonSignedRank(double[] sample1, double[] sample2)
sample1
- sample 1sample2
- sample 2public WilcoxonSignedRank(double[] sample, int mu)
sample
- a samplemu
- the hypothetical median that the distribution is symmetric aboutpublic WilcoxonSignedRank(double[] sample)
sample
- a samplepublic String getNullHypothesis()
HypothesisTest
getNullHypothesis
in class HypothesisTest
public String getAlternativeHypothesis()
HypothesisTest
getAlternativeHypothesis
in class HypothesisTest
public double statistics()
HypothesisTest
statistics
in class HypothesisTest
public double pValue()
HypothesisTest
pValue
in class HypothesisTest
public double rightOneSidedPvalue()
public double leftOneSidedPvalue()
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