#' Household Food Expenditure Data
#'
#' A dataset from Griffiths, Hill, and Judge (1993) on household food expenditure, income, and household size.
#' The response variable \code{food} is a proportion (0 < food < 1), suitable for beta regression.
#'
#' @format A data frame with 38 rows and 3 variables:
#' \describe{
#'   \item{food}{numeric: proportion of household income spent on food}
#'   \item{income}{numeric: household income (in thousands of dollars)}
#'   \item{persons}{numeric: number of persons living in the household}
#' }
#' @source Griffiths, W. E., Hill, R. C., & Judge, G. G. (1993). \emph{Learning and Practicing Econometrics}. Wiley.
#' @examples
#' data(FoodExpenditure)
#' str(FoodExpenditure)
"FoodExpenditure"