Hub
NodeNode / Manipulator

Kruskal-Wallis Test

KNIME Labs Statistics
Drag & drop
Like
Copy short link

The non-parametric, independent Kruskal-Wallis test tests if several groups with ordinal attributes originate from the same distribution.

More information can be found at Kruskal-Wallis test on Wikipedia.

Hypotheses:
H 0 : the mean ranks of the groups are the same.
H A : the mean ranks of the groups differ.

Node details

Input ports
  1. Type: Table
    Samples
    Input table with at least one ordinal column and one nominal column (groups).
Output ports
  1. Type: Table
    Results
    Output table with Kruskal-Wallis test statistic, p-Value, and descriptive statistics of group ranks.

Extension

The Kruskal-Wallis Test node is part of this extension:

Related workflows & nodes

  1. How to use the statistical test in the KNIME Labs statistics plugin
    This workflow shows how to use the nodes for the Wilcoxon Mann Whitney test, the Wilcoxon…
    knime > Examples > 04_Analytics > 02_Statistics > 02_Example_for_Statistical_Tests
  2. Kruskal-Wallis-test update domain
    lukass > Public > Snippets > Kruskal-Wallis-test update domain
  3. Comparing Distributions
    Statistics Anova Shapiro-wilk
    +2
    This workflow checks if all the samples for groups in the input data themselves are norma…
    knime > Examples > 04_Analytics > 02_Statistics > 07_Comparing_Distributions