Description Format Source Examples

Artificial dataset to show that the p-value obtained for the Kruskal Wallis is only valid _after_ the distributional form has been checked to be the same for all groups.

An artificial data frame with 18 observations in each of three groups.

- x
measurements for group 1

- y
measurements for group 2

- z
measurements for group 3

Data example found on the internet

1 2 3 | ```
data(kwdata)
newdata <- stack(kwdata)
kruskal.test(values ~ ind, newdata)
``` |

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