irrICC (version 1.0)

pval.ICC1a: P-value of the ICC under ANOVA Model 1A for the specific null values 0,0.1,0.3,0.5,0.7,0.9.

Description

This function computes the p-value associated with the Intraclass Correlation Coefficient (ICC) under the one-factor ANOVA model where each subject may be rated by a different group of raters.

Usage

pval.ICC1a(ratings)

Arguments

ratings

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 6 p-values associated with the 6 null values 0,0.1,0.3,0.5,0.7,0.9.

References

Gwet, K.L. (2014): Handbook of Inter-Rater Reliability - 4th ed. chapter 8, section 8.3.2, equation 8.3.4. Advanced Analytics, LLC.

Examples

# NOT RUN {
#iccdata1 is a small dataset that comes with the package. Use it as follows:
library(irrICC)
iccdata1 #see what the iccdata1 dataset looks like
pval.ICC1a(iccdata1)
# }