size.ci.yule: Sample size for a Yule's Q confidence interval

In statpsych: Statistical Methods for Psychologists

Sample size for a Yule's Q confidence interval

Description

Computes the sample size required to estimate Yule's Q with desired confidence interval precision. Set the Yule's Q planning value to the smallest absolute value within a plausible range for a conservatively large sample size.

Usage

size.ci.yule(alpha, p1, p2, Q, w)

Arguments

alpha	alpha level for 1 - alpha confidence
p1	planning value for row 1 marginal proportion
p2	planning value for column 1 marginal proportion
Q	planning value of Yule's Q
w	desired confidence interval width

Value

Returns the required sample size

Examples

size.ci.yule(.05, .3, .2, .5, .4)

# Should return:
#  Sample size
#          354

statpsych documentation built on June 10, 2025, 5:11 p.m.