Retrieve or set variable labels for a dataset.
varlabel(dat, var.name = NULL, lang = NA)varlabel(dat) <- value
data.frame. Data.frame created by read.dta13
.
character vector. Variable names. If NULL, get label for all variables.
character. Label language. Default language defined by
get.lang
is used if NA
character vector. Vector of variable names.
Returns an named vector of variable labels