R/spanish.R

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

#' spanish data
#'
#' 
#' Fictional cluster sample of introductory Spanish students.
#'
#'
#' @format This data frame contains the following columns:
#' 
#' \describe{
#' \item{class:}{class number}
#' 
#' \item{score:}{score on vocabulary test (out of 100)}
#' 
#' \item{trip:}{= 1 if plan a trip to a Spanish-speaking country
#' 
#'  = 0 otherwise}
#' }
#'  
#'  
#'  
#'
#' @docType data
#'
#' @usage data(spanish)
#'
#'
#'
#' @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.
#' 
#'
#' 
#' 
#' 
"spanish"