MA22004labs: MA22004 (University of Dundee)

#' Youth Risk Behavior Surveillance System (YRBSS)
#'
#' This data set is for teaching and training purposes.
#' Select variables from YRBSS.
#'
#'
#' @name yrbss
#' @docType data
#' @format A data frame with 13583 observations on the following 13 variables.
#' \describe{
#'   \item{age}{Age, in years.}
#'   \item{gender}{Gender.}
#'   \item{grade}{School grade.}
#'   \item{hispanic}{Hispanic or not.}
#'   \item{race}{Race / ethnicity.}
#'   \item{height}{Height, in meters (3.28 feet per meter).}
#'   \item{weight}{Weight, in kilograms (2.2 pounds per kilogram).}
#'   \item{helmet_12m}{How often did you wear a helmet when biking in the last
#'   12 months?}
#'   \item{text_while_driving_30d}{How many days did you text while driving in
#'   the last 30 days?}
#'   \item{physically_active_7d}{How many days were you physically active for
#'   60+ minutes in the last 7 days?}
#'   \item{hours_tv_per_school_day}{How many hours of TV do you typically watch
#'   on a school night?}
#'   \item{strength_training_7d}{How many days did you do strength training
#'   (e.g. lift weights) in the last 7 days?}
#'   \item{school_night_hours_sleep}{How many hours of sleep do you typically
#'   get on a school night?}
#'   }
#' @source
#' \url{http://www.openintro.org/r?go=cdc_yrbss_2013&r=r_package_man_file}
#' @keywords datasets
#' @examples
#' data(yrbss)
#'
"yrbss"