Description Usage Arguments Value References Examples
This function computes the confidence interval associated with the Intraclass Correlation Coefficient (ICC) as a measure of inter-rater reliability under the mixed factorial ANOVA model with interaction. It produces the lower and upper confidence bounds.
1 | ci.ICC3r.inter(dfra, conflev = 0.95)
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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. |
conflev |
This is the optional confidence level associated with the confidence interval. If not specified, the default value will be 0.95, which is the most commonly-used valuee in the literature. |
This function returns a vector containing the lower confidence (lcb) and the upper confidence bound (ucb).
Gwet, K.L. (2014): Handbook of Inter-Rater Reliability - 4th ed. chapter 10, section 10.3.1, equations 10.3.1 and 10.3.2. Advanced Analytics, LLC.
1 2 3 4 5 | #iccdata1 is a small dataset that comes with the package. Use it as follows:
library(irrICC)
iccdata1 #see what the iccdata1 dataset looks like
ci.ICC3r.inter(iccdata1)
ci.ICC3r.inter(iccdata1)$ucb #to get upper confidence bound only
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