Frequencies for first 10,000 rows of prov3320 variable in pos2003 dataset : srv: | pharmacy-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,304 73.04 73.04 N | 156 1.56 74.60 Y | 2,540 25.40 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016