Frequencies for first 10,000 rows of prov3440 variable in pos1997 dataset : srv: | podiatry-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,410 74.10 74.10 N | 698 6.98 81.08 Y | 1,892 18.92 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016