tigerData: GC Statistics Datasets

#' National Health and Nutrition Examination Survey
#'
#' @description Results of the Survey as of 2018.
#'
#' @name nhanes18
#' @docType data
#' @format A data frame with 9842 observations on the following 18 variables.
#' \describe{
#' \item{\code{id}}{An ID number for the subject}
#' \item{\code{gender}}{\code{"male"} or \code{"female"}}
#' \item{\code{age}}{age of subject in years}
#' \item{\code{arthritis}}{Was the subject ever told he/she
#'  had arthritis?  (yes, no)}
#' \item{\code{edu}}{level of education attained}
#' \item{\code{married}}{marital status}
#' \item{\code{income}}{income level}
#' \item{\code{cholesterol}}{blood cholesterol (mmol/L)}
#' \item{\code{glucose}}{glucose, refridgerated serum (mmol/L)}
#' \item{\code{iron}}{iron (umol/L)}
#' \item{\code{sodium}}{sodium (mmol/L)}
#' \item{\code{weight}}{weight (kg)}
#' \item{\code{systolic}}{systolic blood pressure, mm/Hg}
#' \item{\code{diastolic}}{diastolic blood pressure, mm/Hg}
#' \item{\code{asthma}}{Does the subject have asthma?  (yes, no)}
#' \item{\code{heartattack}}{Was the subject ever told he/she 
#' had a heart attack?  (yes, no)}
#' \item{\code{liver}}{Was the subject ever told he/she had a 
#' liver condition?  (yes, no)}
#' \item{\code{cancer}}{Was the subject ever told he/she had a 
#' cancer or malignancy?  (yes, no)}
#' }
#' @source NHANES, the National Health and
#' Nutrition Survey.
#' See \url{http://wwwn.cdc.gov/nchs/nhanes/search/nhanes03_04.aspx#}
#' for more infromation.
#' @keywords datasets
#'
NA