R/stg6.R

In common2016/didWD: DID with staggred treatment

#' Example Data
#'
#' @format A data frame with 3270 rows and 7 varables:
#' \describe{
#'  \item{id}{individuals ID}
#'  \item{year}{time ID}
#'  \item{y}{the dependent variable}
#'  \item{logy}{\eqn{log(y)}}
#'  \item{w}{A dummy variable which equals \eqn{D_i\cdot T_i} where \eqn{D_i=1} indicates treated group,
#' and \eqn{T-i=1} indicates in the treated periods.}
#'  \item{x1}{a independent variable}
#'  \item{x2}{a independent variable}
#' }
'stg6'