Compute Cohen's w

Cohen's w is an effect size measure for associations between nominal variables, generally used in conjunction with chi-squared tests. cohen_w() computes Cohen's w from results from a chi-squared test.

Usage

cohen_w(chisq)

Arguments

chisq

An "htest" object returned by stats::chisq.test().

Examples

chisq_out <- chisq.test(ggplot2::diamonds$cut, ggplot2::diamonds$color)
cohen_w(chisq_out)
#> [1] 0.07584867