Kruskal-Wallis One-way ANOVA
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This menu carries out a Kruskal-Wallis one-way analysis of variance on the ranks (relative to the whole data set) of a set of samples. The samples can be supplied in two ways, either as a list of variates or one variate with the groups specified using a factor.

Data Arrangement

The data can be supplied either as a list of variates or as a single variate with a factor defining the groups.
List Of VariatesThe samples must be supplied as a list of variates, whose names should be entered in the List of Data box
One Set with GroupsThe data must be supplied in one variate, specified as the Data Set. Membership of the different samples is then indicated by the Groups factor

Display

Specifies information to be displayed when carrying out the Kruskal-Wallis one-way ANOVA. If Tests is selected then the relevant test statistics will be displayed in the Output Window. Similarly, if Ranks is selected then the ranks for each sample relative to the whole data set will be displayed in the Output Window.

Available Data

List variates and factors that can be used to supply the data sets and groups. The contents may change as you move from one input field to another, so that appropriate types of data structure are listed. Double-click on a name to copy it into the current input field; alternatively you can enter the name directly using the keyboard.

See Also