as_factor	as_factor
as_factor.labelled	labelled
hms	hms
labelled	labelled
read_dta	read_dta
read_por	read_spss
read_sas	read_sas
read_sav	read_spss
read_spss	read_spss
read_stata	read_dta
write_dta	read_dta
write_sav	read_spss
zap_empty	zap_empty
zap_labels	labelled
