R/data.R

In ptetools: Panel Treatment Effects Tools

# =============================================================================
# Title: Package Datasets
# Description: Documentation for datasets bundled with ptetools.
# Author: Brant Callaway
# Last update: 2026-05-25
# Date created: 2026-05-25
# =============================================================================

#' @title State-level Covid-19 Data
#'
#' @description A panel dataset containing Covid-19 related data for 46 states.
#'   This data comes from Callaway and Li (2021). See the paper for additional
#'   descriptions.
#'
#' @format A data frame with 1656 rows and 9 variables:
#' \describe{
#'   \item{positive}{The cumulative number of cases per million individuals in
#'     a particular state by a particular time period.}
#'   \item{time.period}{Time period}
#'   \item{group}{The group that a state belongs to. It is based on the time
#'     period when they enacted the shelter-in-place order.}
#'   \item{state}{State abbreviation}
#'   \item{totalTestResults}{The total Covid-19 number of tests run per million
#'     individuals in a particular state by a particular time period.}
#'   \item{state_id}{Numeric state identifier}
#'   \item{region}{Census region for particular state}
#'   \item{retail_and_recreation_percent_change_from_baseline}{The percentage
#'     change in retail and recreational travel from pre-Covid baseline. This
#'     is from Google's Mobility report (see paper for details).}
#'   \item{current}{The current number of cases per million individuals in a
#'     particular state by a particular time period. This variable is
#'     constructed from \code{positive} (see paper for details).}
#' }
#'
#' @source Callaway and Li (2021)
"covid_data"