Frequencies for first 10,000 rows of prov3330 variable in pos2001 dataset : srv: | pharmacy-of | fsite-resid | ents | Freq. Percent Cum. ------------+----------------------------------- | 7,345 73.45 73.45 N | 2,315 23.15 96.60 Y | 340 3.40 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016