write_spss(x, path, use.tagged.na = FALSE, enc.to.utf8 = FALSE)
write_stata(x, path, use.tagged.na = FALSE, enc.to.utf8 = FALSE, version = 14)
write_sas(x, path, use.tagged.na = FALSE, enc.to.utf8 = FALSE)TRUE, tagged_na
values are converted to their values, i.e. values of tagged NA's are
converted to factor levels. If FALSE (default), tagged NA's
are converted to regular NA's.TRUE, character encoding of variable and
value labels will be converted to UTF-8.