R/rd-Guber99.R

In svmiller/stevedata: Steve's Toy Data for Teaching About a Variety of Methodological, Social, and Political Topics

#' @importFrom tibble tibble
NULL

#' School Expenditures and Test Scores for 50 States, 1994-95
#'
#' A data set for a canonical case of a Simpson's paradox, useful for in-class
#'  instruction on the topic.
#'
#' @format A data frame with 50 observations on the following 8 variables.
#' \describe{
#' \item{\code{state}}{a character vector for the state}
#' \item{\code{expendpp}}{a numeric vector for the current expenditure per pupil in average daily attendance in public elementary and secondary schools, 1994-95 (in thousands of dollars)}
#' \item{\code{ptratio}}{a numeric vector for the average pupil/teacher ratio in public elementary and secondary schools, Fall 1994}
#' \item{\code{tsalary}}{a numeric vector for the estimated average annual salary of teachers in public elementary and secondary schools, 1994-95 (in thousands of dollars)}
#' \item{\code{perctakers}}{a numeric vector for the percentage of all eligible students taking the SAT, 1994-95}
#' \item{\code{verbal}}{a numeric vector for the average verbal SAT score, 1994-95}
#' \item{\code{math}}{a numeric vector for the average math SAT score, 1994-95}
#' \item{\code{total}}{a numeric vector for the average total SAT score, 1994-95}
#' }
#'
#' @references Guber, Deborah Lynne. 1999. "Getting What You Pay For: The Debate Over Equity in Public School Expenditures." \emph{Journal of Statistics Education} 7(2).
#'
"Guber99"