pool_sd: Pooled sd

pool_sdR Documentation

Pooled sd

Description

Calculate pooled sd.

Usage

pool_sd(x, group)

Arguments

x

(numeric vector) The data.

group

(vector) Group membership.

Examples

#Wikipedia's example https://en.wikipedia.org/wiki/Pooled_variance
v_test_vals = c(31, 30, 29, 42, 41, 40, 39, 31, 28, 23, 22, 21, 19, 18, 21, 20, 19, 18, 17)
v_test_group = c(rep(1, 3), rep(2, 4), rep(3, 2), rep(4, 5), rep(5, 5))
pool_sd(v_test_vals, v_test_group)

Deleetdk/kirkegaard documentation built on April 1, 2024, 2:23 a.m.