R/holmdata.R

In AyaMitani/modelkappa: Calculates model-based kappa for agreement and association and their standard errors

#' Classification of carcinoma \emph{in situ} of the uterine cervix
#'
#' A dataset containing evaluations by seven pathologists each independently classifying
#' 118 histologic slides into one of the five ordinal categories of increasing disease severity.
#' This data set is regarded as a classic example to evaluate agreement between multiple raters
#' each classifying a sample of subjects' test results according to an ordinal classification scale.
#'
#' @format A data frame with 826 rows and 3 variables:
#' \describe{
#'   \item{Item}{unique patient identifier}
#'   \item{Rater}{unique pathologist identifier}
#'   \item{Cat}{ordinal assessment of disease, 1: negative, 2: atypical squamous hyperplasia, 3: carcinoma in situ, 4: squamous carcinoma with early stromal invasion, 5: invasive carcinoma}
#' }
#' @source \url{https://www.ncbi.nlm.nih.gov/pubmed/6045443}
"holmdata"