R/econmath.R

In JustinMShea/wooldRidge: 115 Data Sets from "Introductory Econometrics: A Modern Approach, 7e" by Jeffrey M. Wooldridge

#' econmath
#'
#' Wooldridge Source: Compiled by Professor Charles Ballard, Michigan State University Department of Economics. Professor Ballard kindly provided the data. Data loads lazily.
#'
#' @section 
#'
#' Used in Text: 167, 185
#'
#' @docType data
#'
#' @usage data('econmath')
#'
#' @format A data.frame with 856 observations on 17 variables:
#' \itemize{
#'  \item \strong{age: } age in years
#'  \item \strong{work: } hours worked per week
#'  \item \strong{study: } hours studying per week
#'  \item \strong{econhs: } =1 if economics in high school
#'  \item \strong{colgpa: } college GPA, beginning semester
#'  \item \strong{hsgpa: } high school GPA
#'  \item \strong{acteng: } ACT English score
#'  \item \strong{actmth: } ACT math score
#'  \item \strong{act: } ACT composite
#'  \item \strong{mathscr: } math quiz score, 0-10
#'  \item \strong{male: } =1 if male
#'  \item \strong{calculus: } =1 if taken calculus course
#'  \item \strong{attexc: } =1 if past attndce 'excellent'
#'  \item \strong{attgood: } =1 if past attndce 'good'
#'  \item \strong{fathcoll: } =1 if father has BA
#'  \item \strong{mothcoll: } =1 if mother has BA
#'  \item \strong{score: } course score, in percent
#' }
#' @source \url{http://www.cengage.com/c/introductory-econometrics-a-modern-approach-6e-wooldridge}
#' @examples  str(econmath)
"econmath"