Frequencies for first 10,000 rows of prov3440 variable in pos1996 dataset : srv: | podiatry-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,254 72.54 72.54 N | 728 7.28 79.82 Y | 2,018 20.18 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016