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#' Interpret Intraclass Correlation Coefficient (ICC)
#'
#' The value of an ICC lies between 0 to 1, with 0 indicating no reliability among raters and 1 indicating perfect reliability.
#'
#' @param icc Value or vector of Intraclass Correlation Coefficient (ICC) values.
#' @param rules Can be `"koo2016"` (default) or custom set of [rules()].
#' @param ... Not used for now.
#'
#' @section Rules:
#'
#' - Koo (2016) (`"koo2016"`; default)
#' - **ICC < 0.50** - Poor reliability
#' - **0.5 <= ICC < 0.75** - Moderate reliability
#' - **0.75 <= ICC < 0.9** - Good reliability
#' - **ICC >= 0.9 ** - Excellent reliability
#'
#' @examples
#' interpret_icc(0.6)
#' interpret_icc(c(0.4, 0.8))
#' @references
#' - Koo, T. K., and Li, M. Y. (2016). A guideline of selecting and reporting intraclass correlation coefficients for reliability research. Journal of chiropractic medicine, 15(2), 155-163.
#'
#' @keywords interpreters
#' @export
interpret_icc <- function(icc, rules = "koo2016", ...) {
rules <- .match.rules(
rules,
list(
koo2016 = rules(c(0.5, 0.75, 0.9),
c("poor", "moderate", "good", "excellent"),
name = "koo2016", right = FALSE
)
)
)
interpret(icc, rules)
}
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