es_glass_delta: Glass' Delta

In the-mad-statter/washu: Helpful Functions for WashU Statistical Consultations

Glass' Delta

Description

Glass' Delta

Usage

es_glass_delta(m_0, m_1, s)

Arguments

m_0	mean of group 0
m_1	mean of group 1
s	standard deviation of control group

Value

Glass' delta

References

Hedges, L. V. & Olkin, I. (1985). Statistical methods for meta-analysis. Academic Press.

Examples

if (requireNamespace('tidyr', quietly = TRUE)) {
  library('tidyr')

  mtcars %>%
    group_by(vs) %>%
    summarize(m = mean(mpg), s = sd(mpg)) %>%
    pivot_wider(names_from = vs, values_from = c(m, s)) %>%
    rowwise() %>%
    mutate(glass_delta = es_glass_delta(m_0, m_1, s_0))
}

the-mad-statter/washu documentation built on May 11, 2023, 7:24 p.m.