R/data-elmhurst.R

In OpenIntroStat/openintro-r-package: Data Sets and Supplemental Functions from 'OpenIntro' Textbooks and Labs

#' Elmhurst College gift aid
#'
#' A random sample of 50 students gift aid for students at Elmhurst College.
#'
#'
#' @name elmhurst
#' @docType data
#' @format A data frame with 50 observations on the following 3 variables.
#' \describe{
#'   \item{family_income}{Family income of the student.}
#'   \item{gift_aid}{Gift aid, in $1000s.}
#'   \item{price_paid}{Price paid by the student (tuition - gift aid).}
#'   }
#' @source These data were sampled from a table of data for all freshman from
#' the 2011 class at Elmhurst College that accompanied an article titled What
#' Students Really Pay to Go to College published online by The Chronicle of
#' Higher Education:
#' \url{https://www.chronicle.com/article/what-students-really-pay-to-go-to-college/}.
#' @keywords datasets
#' @examples
#'
#' library(ggplot2)
#' library(broom)
#'
#' ggplot(elmhurst, aes(x = family_income, y = gift_aid)) +
#'   geom_point() +
#'   geom_smooth(method = "lm")
#'
#' mod <- lm(gift_aid ~ family_income, data = elmhurst)
#' tidy(mod)
"elmhurst"