cohens_d: Calculate Cohen's d given some descriptive statistics

In andr3wli/powerPsych: Effect Size and Power Toolbox for Psychologists

Description

Calculate Cohen's d given some descriptive statistics

Usage

cohens_d(mean.one, mean.two, sd.one, sd.two, sd = c("same", "diff"))

Arguments

mean.one	consumes the mean of first group
mean.two	consumes the mean of second group
sd.one	consumes the standard deviation of first group
sd.two	consumes the standard deviation of second group. This can be left empty if the groups share the same standard deviation.
sd	Type "same" if both groups have the same sd. Type "diff" if the groups do not have the same standard deviation. In this case, the pooled standard deviation is used.

Value

A string containing Cohen's d statistic that informs user of effect size

Examples

cohens_d(0, 1.4, 0.6, sd = "same")
cohens_d(mean.one = 0, mean.two = 1, sd.one = 0.5, sd.two = 0.6, sd = "diff")

andr3wli/powerPsych documentation built on Dec. 31, 2020, 7:46 p.m.