R/geoformat2018.R

In ejanalysis/ACSdownload: Obtain American Community Survey Summary File Data Tables from Census Bureau FTP Site (for EJ analysis, etc.)

#' @name geoformat2018
#' @docType data
#' @title geographic information for ACS dataset
#' @description This data set has the format used by geographic identifier files in the American Community Survey (ACS) 5-year summary file.
#'   The data and documentation for the 5 years ending in year X
#'   is typically available by December of the year X+1, so 2014-2018 would be available by Dec 2019.
#' @source Table found in given year dataset, info at
#'  <https://www.census.gov/programs-surveys/acs/technical-documentation.html>
#' @keywords datasets
#' @format A data.frame
#' `
#' 'data.frame':	In 2016 and 2017, for example, it had 53 obs. of  5 variables:
#'   $ varname    : chr  "FILEID" "STUSAB" "SUMLEVEL" "COMPONENT" ...
#'   $ description: chr  "Always equal to ACS Summary File identification" "State Postal Abbreviation" "Summary Level" "Geographic Component" ...
#'   $ size       : int  6 2 3 2 7 1 1 1 2 2 ...
#'   $ start      : int  1 7 9 12 14 21 22 23 24 26 ...
#'   $ type       : chr  "Record" "Record" "Record" "Record" ...
#'   `
#' @seealso  [get.acs()]
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