R/data-teacher.R

In OpenIntroStat/openintro: Datasets and Supplemental Functions from 'OpenIntro' Textbooks and Labs

#' Teacher Salaries in St. Louis, Michigan
#'
#' This dataset contains teacher salaries from 2009-2010 for 71 teachers
#' employed by the St. Louis Public School in Michigan, as well as several
#' covariates.
#'
#'
#' @name teacher
#' @docType data
#' @format A data frame with 71 observations on the following 8 variables.
#' \describe{
#'   \item{id}{Identification code for each teacher, assigned randomly.}
#'   \item{degree}{Highest educational degree attained: \code{BA} (bachelor's degree) or \code{MA} (master's degree).}
#'   \item{fte}{Full-time enrollment status: full-time \code{1} or part-time \code{0.5}.}
#'   \item{years}{Number of years employed by the school district.}
#'   \item{base}{Base annual salary, in dollars.}
#'   \item{fica}{Amount paid into Social Security and Medicare per year through the Federal Insurance Contribution Act (FICA), in dollars.}
#'   \item{retirement}{Amount paid into the retirement fund of the teacher per year, in dollars.}
#'   \item{total}{Total annual salary of the teacher, resulting from the sum of base salary + fica + retirement, in dollars.}
#' }
#' @source Originally posted on SODA Developers (dev.socrata.com/data), removed in 2020.
#' @keywords teacher salary Michigan degree education datasets
#' @examples
#'
#' library(ggplot2)
#'
#' # Salary and education level
#' ggplot(teacher, aes(x = degree, y = base)) +
#'   geom_boxplot() +
#'   labs(
#'     x = "Highest educational degree attained",
#'     y = "Base annual salary, in $",
#'     color = "Degree",
#'     title = "Salary and education level"
#'   )
#'
#' # Salary and years of employment
#' ggplot(teacher, aes(x = years, y = base, color = degree)) +
#'   geom_point() +
#'   labs(
#'     x = "Number of years employed by the school district",
#'     y = "Base annual salary, in $",
#'     color = "Degree",
#'     title = "Salary and years of employment"
#'   )
"teacher"