 | Kruskal |
Class KruskalWallisTest performs a Kruskal-Wallis rank sum test.
Inheritance HierarchyNamespace: CenterSpace.NMath.Core
Assembly: NMath (in NMath.dll) Version: 7.4
SyntaxThe KruskalWallisTest type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | KruskalWallisTest | Default constructor. Constructs an empty KruskalWallisTest instance. |
| KruskalWallisTest(DoubleMatrix) | Constructs a KruskalWallisTest instance from data in the given matrix. |
| KruskalWallisTest(DoubleVector) | Constructs a KruskalWallisTest instance from data in the given array of vectors. |
| KruskalWallisTest(DoubleMatrix, Boolean) | Constructs a KruskalWallisTest instance from data in the given matrix. |
| KruskalWallisTest(DoubleVector, Boolean) | Constructs a KruskalWallisTest instance from data in the given array of vectors. |
| KruskalWallisTest(DataFrame, Int32, Int32) | Construct a KruskalWallisTest instance from data in the given data frame. |
| KruskalWallisTest(DataFrame, Int32, Int32, Boolean) | Construct a KruskalWallisTest instance from data in the given data frame. |
Properties| Name | Description | |
|---|---|---|
 | GrandMeanRank | Gets the grand mean rank of the data. |
| GroupMeanRanks | Gets a vector of group mean ranks. |
| GroupNames | Gets an array of group names. |
| GroupSizes | Gets an array of group sizes. |
| IsTieCorrected | Returns true if the standard correction for ties was applied in the computation of the test statistic. |
| N | Gets the total sample size. |
| PValue | Gets the p-value for the test statistic. |
| Ranks | Gets an array of vectors containing the ranks of the data. |
| Statistic | Gets the test statistic. |
| Table | Gets a table summarizing the result of the last-performed Kruskal-Wallis test. |
Methods| Name | Description | |
|---|---|---|
| Clone | Creates a deep copy of this KruskalWallisTest. |
| GetGroupMeanRank(Int32) | Returns the mean rank for the specified group. |
| GetGroupMeanRank(Object) | Returns the mean rank for the specified group. |
| GetGroupRanks(Int32) | Returns the ranks for the specified group. |
| GetGroupRanks(Object) | Returns the ranks for the specified group. |
| GetGroupSize(Int32) | Returns the size of the specified group. |
| GetGroupSize(Object) | Returns the size of the specified group. |
| SetData(DoubleMatrix) | Performs a Kruskal-Wallis test on data in the given matrix. |
| SetData(DoubleVector) | Performs a Kruskal-Wallis test on data in the given array of vectors. |
| SetData(DoubleMatrix, Boolean) | Performs a Kruskal-Wallis test on data in the given matrix. |
| SetData(DoubleVector, Boolean) | Performs a Kruskal-Wallis test on data in the given array of vectors. |
| SetData(DataFrame, Int32, Int32) | Performs a Kruskal-Wallis test on data in the given data frame. |
| SetData(DataFrame, Int32, Int32, Boolean) | Performs a Kruskal-Wallis test on data in the given data frame. |
| StatisticCriticalValue | Computes the critical value for the test statistic at the given significance level. |
| ToString |
String representation of a Kruskal-Wallis test.
(Overrides ObjectToString) |
Remarks
The Kruskal-Wallis test is a non-parametric test for equality of population medians among groups.
It is a non-parametric version of the classical one-way ANOVA.
See Also