id	keyword
iassist-68	census
iassist-68	data
iassist-68	ipums
iassist-68	samples
iassist-68	extract
iassist-68	documentation
iassist-68	use
iassist-68	variables
iassist-68	researchers
iassist-68	microdata
iassist-68	user
iassist-68	system
iassist-68	m s