#' Classify households by type
#'
#' Classifies each household as vacant, one person, a couple, a family with
#' children present, or a composite household (none of the above).
#' Note that \code{house} has to be full ACS PUMS housing data, not the
#' subset of columns used in \code{wa.house16}.
#'
#' @param house ACS housing data or subset
#'
#' @return character vector of household type
#'
#' @importFrom dplyr case_when
#'
#' @export
hh.type <- function(house){
vars.used <- c('NP', 'HHT', 'PARTNER', 'HUPAC')
if(!(all(vars.used %in% names(house)))){
stop('Data must have columns: NP, HHT, PARTNER, HUPAC')
}
with(house,
case_when(
NP==0 ~ 'Vacant',
NP==1 ~ 'One.Person',
(NP==2) & (HHT==1 | PARTNER %in% 1:4) ~ 'Couple',
HUPAC %in% 1:3 ~ 'Family',
TRUE ~ 'Composite'
)
)
}
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