Frequencies for first 10,000 rows of prov3320 variable in pos1997 dataset : srv: | pharmacy-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,410 74.10 74.10 N | 157 1.57 75.67 Y | 2,433 24.33 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016