OptionalconfConfidence level of the interval. Default 0.95.
Optionalmodel"oneway" (default; subjects are the only effect) or "twoway" (subjects and raters).
Optionalr0The value of the coefficient under the null hypothesis. Default 0.
OptionaltypeTwo-way model: "consistency" (default) or "agreement" (rater differences count as disagreement).
Optionalunit"single" (default; the reliability of one rater) or "average" (of the mean of the k raters).
Options for icc. Unambiguous abbreviations of the choices are accepted.