R/classes.R

In SDAResources: Datasets and Functions for 'Sampling: Design and Analysis, 3rd Edition'

#' classes data
#'
#' 
#' Population sizes for 15 classes, used in Chapter 6 of SDA to illustrate
#' unequal-probability sampling.
#'
#'
#' @format This data frame contains the following columns:
#'
#'\describe{
#'\item{class:}{class ID number}
#'
#'\item{class_size:}{number of students in class}
#'}
#'
#'
#'
#' @docType data
#'
#' @usage data(classes)
#'
#'
#'
#' @keywords datasets
#'
#' @references Lohr (2021), Sampling: Design and Analysis, 3rd Edition. Boca Raton, FL: CRC Press.
#' 
#'@references Lu and Lohr (2021), R Companion for \emph{Sampling: Design and Analysis, 3rd Edition}, 1st Edition. Boca Raton, FL: CRC Press.
#'
"classes"