size.ci.agree: Sample size for a G-index confidence interval

In statpsych: Statistical Methods for Psychologists

Sample size for a G-index confidence interval

Description

Computes the sample size required to estimate a population G-index of agreement for two dichotomous ratings with desired confidence interval precision. Set the G-index planning value to the smallest value within a plausible range for a conservatively large sample size.

For more details, see Section 3.12 of Bonett (2021, Volume 3)

Usage

size.ci.agree(alpha, G, w)

Arguments

alpha	alpha level for 1-alpha confidence
G	planning value of G-index
w	desired confidence interval width

Value

Returns the required sample size

References

\insertRef

Bonett2021statpsych

Examples

size.ci.agree(.05, .8, .2)

# Should return:
# Sample size
#         139

statpsych documentation built on Jan. 13, 2026, 1:07 a.m.