R/renalstone.R

In kassambara/datarium: Data Bank for Statistical Analysis and Visualization

#'Risk of Renal Stone Data for Cochran-Armitage Trend Test
#'
#'@description Presents the frequencies of individuals at high risk of renal
#'  calculi according to age and gender. This a demo dataset for
#'  Cochran-Armitage trend test for investigating whether there is a linear
#'  trend between the proportion of individual with renal stone and ages.
#'@name renalstone
#'@docType data
#'@usage data("renalstone")
#'@format A data frame with 3513 rows and 3 columns.
#'@references Hazra, Avijit, and Nithya Jaideep Gogtay. 2016. “Biostatistics
#'Series Module 4: Comparing Groups – Categorical Variables.” In Indian Journal
#'of Dermatology
#' @examples
#' data(renalstone)
#' xtabs(~stone+age+gender, data = renalstone)
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