#' Builds a synthetic variable for age - 1970
#' @param data.frame
#' @value data.frame
#' @export
build_demographics_age_1970 <- function(CensusData){
if(!is.data.frame(CensusData)){
stop("'CensusData' is not a data.frame")
}
check_vars <- check_var_existence(CensusData, c("v026","v027"))
if(length(check_vars) > 0){
stop("The following variables are missing from the data: ",
paste(check_vars, collapse = ", "))
}
if(!is.data.table(CensusData)){
CensusData = as.data.table(CensusData)
}
#age
CensusData[, age := as.double(NA)]
CensusData[v026 %in% c(1,2), age := 0]
CensusData[v026 %in% c(3,4), age := as.numeric(v027)]
gc()
CensusData
}
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