Skip to contents

Nonparametric one-way ANOVA comparing a numeric response across the levels of a single factor column; effect size is epsilon-squared.

Usage

stat_kruskal(data, resp, group, .by = NULL)

Arguments

data

A data frame.

resp

<tidy-select> Numeric response column(s); each column is analysed separately.

group

<tidy-select> Single factor column (two or more levels).

.by

<tidy-select> Optional slice columns.

Value

A tibble with class stat_infer: resp, .by identifiers, n_used, statistic, df, p.value, effect (epsilon-squared), method.

Examples

stat_kruskal(ToothGrowth, resp = len, group = supp)
#> Kruskal-Wallis rank sum test 
#> # A tibble: 1 × 8
#>   resp  n_used statistic    df p.value effect method                       sig  
#> * <chr>  <int>     <dbl> <int>   <dbl>  <dbl> <chr>                        <chr>
#> 1 len       60      3.45     1  0.0634 0.0422 Kruskal-Wallis rank sum test .