R/teachers.R

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

#' teachers data
#'
#' Selected variables from a study on elementary school teacher workload in Maricopa County, Arizona. 
#' Data courtesy of Rita Gnap (Gnap, 1995). The psu sizes are
#'given in data \emph{teachmi}. The large stratum had 245 schools; the small/medium stratum
#'had 66 schools. Missing values are coded as NA.
#'
#'
#' @format This data frame contains the following columns:
#' 
#' \describe{
#' \item{dist:}{school district size, character variable:
#' 
#'  large 
#'  
#'  sm/me}
#' 
#' 
#' \item{hrwork:}{number of hours required to work at school per week}
#' 
#' 
#'\item{size:}{class size}
#' 
#' \item{preprmin:}{minutes spent per week in school on preparation}
#' 
#' \item{assist:}{minutes per week that a teacher's aide works with the teacher in the classroom}
#' 
#'  \item{school:}{school identifier}
#' }
#'  
#'  
#'  
#'
#' @docType data
#'
#' @usage data(teachers)
#'
#'
#'
#' @keywords datasets
#' 
#'@references Gnap, R. (1995). Teacher Load in Arizona Elementary School Districts in Maricopa County.
#' \emph{Ph.D. dissertation.} Tempe, AZ: Arizona State University.
#'
#' @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. 
#' 
#'
#' 
#' 
#' 
"teachers"