Frequencies for first 10,000 rows of prov3320 variable in pos2001 dataset : srv: | pharmacy-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,345 73.45 73.45 N | 150 1.50 74.95 Y | 2,505 25.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016