mmdata: Data from Mastering 'Metrics

#' 2009 National Health Interview Survey (NHIS)
#'
#' @source \url{http://masteringmetrics.com/resources/}
"nhis2009"

#' The RAND Health Insurance Experiment (HIE)
#'
#' The RAND Health Insurance Experiment (HIE): rand_hie_annual_spend
#'
#' @source \url{http://masteringmetrics.com/resources/}
"rand_hie_annual_spend"

#' The RAND Health Insurance Experiment (HIE)
#'
#' The RAND Health Insurance Experiment (HIE): rand_hie_person_years
#'
#' @source \url{http://masteringmetrics.com/resources/}
"rand_hie_person_years"

#' The RAND Health Insurance Experiment (HIE)
#'
#' The RAND Health Insurance Experiment (HIE): rand_hie_initial_sample
#'
#' @source \url{http://masteringmetrics.com/resources/}
"rand_hie_initial_sample"

#' The Minneapolis Domestic Violence Experiment (MDVE)
#'
#' @source \url{http://masteringmetrics.com/resources/}
"mdve"

#' Data for RD analysis of the minimum legal drinking age
#'
#' @source \url{http://masteringmetrics.com/resources/}
"rd_mlda"

#' Data for DD analysis of the effect of monetary policy on bank failures in Mississippi in 1930
#'
#' @source \url{http://masteringmetrics.com/resources/}
"banks"

#' Data for DD analysis of the minimum legal drinking age
#'
#' @source \url{http://masteringmetrics.com/resources/}
"dd_mlda"

#' Data for analysis of the returns to schooling for Twinsburg twins
#'
#' @source \url{http://masteringmetrics.com/resources/}
"twins"

#' Data for analysis of the returns to schooling using child labor laws as instruments
#'
#' @source \url{http://masteringmetrics.com/resources/}
"child_labor_law"

#' Data for analysis of the returns to schooling using quarters of birth (QOB) as instruments
#'
#' @source \url{http://masteringmetrics.com/resources/}
"qob"

#' Data for analysis of the “sheepskin effects” of a high school diploma
#'
#' @source \url{http://masteringmetrics.com/resources/}
"hs_diploma"