ci_diff_means: Confidence interval for difference in means

In simonthelwall/nicethings: Nicely formats things for printing inline in Rmarkdown documents and other nice things

Confidence interval for difference in means

Description

Calulates a 95 Uses an approximation to degrees of freedom of n observations - 2. Thus, may give broader confidence intervals than built in t.test() function

Usage

ci_diff_means(data, var, by)

Arguments

data	A data frame
var	A numeric variable containing the data for the calculation of the means
by	A grouping variable with only two values

Value

A numeric value for the difference in means

Examples

data(sleep)
sleep$group <- as.numeric(sleep$group)
ci_diff_means(data = sleep, var = "extra", by = "group")

simonthelwall/nicethings documentation built on Feb. 27, 2023, 3:15 p.m.