Frequencies for first 10,000 rows of prov3320 variable in pos1996 dataset : srv: | pharmacy-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,254 72.54 72.54 N | 163 1.63 74.17 Y | 2,583 25.83 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016