ci.agree: Confidence interval for a G-index of agreement

In statpsych: Statistical Methods for Psychologists

Confidence interval for a G-index of agreement

Description

Computes a confidence interval for a G-index of agreement between two polychotomous ratings. This function requires the number of objects that were given the same rating by both raters.

Usage

ci.agree(alpha, n, f, k)

Arguments

alpha	alpha level for 1-alpha confidence
n	sample size
f	number of objects rated in agreement
k	number of rating categories

Value

Returns a 1-row matrix. The columns are:

• Estimate - maximum likelihood estimate of G-index

• SE - standard error

• LL - lower limit of the confidence interval

• UL - upper limit of the confidence interval

References

\insertRef

Bonett2022statpsych

Examples

ci.agree(.05, 100, 80, 4)

# Should return:
#       Estimate         SE        LL        UL
# [1,] 0.7333333 0.05333333 0.6132949 0.8226025

statpsych documentation built on July 9, 2023, 6:50 p.m.