mss1a.fn {irrICC}

Mean of Squares for Subjects (MSS) under ANOVA Model 1A.

Description

This MSS is associated with the one-factor ANOVA model where each subject may be rated a different group of raters. This MSS is used for calculating confidence intervals and p-values associated with the inter-rater reliability coefficient.

Usage

mss1a.fn(dfra)

Arguments

dfra

This is a data frame containing 3 columns or more. The first column contains subject numbers (there could be duplicates if a subject was assigned multiple ratings) and each of the remaining columns is associated with a particular rater and contains its numeric ratings.

Value

This function returns a vector containing the following 2 values: 1. mss: the MSS. 2. n: The number of subjects.

References

Gwet, K.L. (2014): Handbook of Inter-Rater Reliability - 4th ed. chapter 8, section 8.3.1. Advanced Analytics, LLC.