Frequencies for first 10,000 rows of prov5215 variable in pos1999 dataset : srv: ther | rec | spec-onsite | -resident | Freq. Percent Cum. ------------+----------------------------------- | 7,382 73.82 73.82 N | 2,128 21.28 95.10 Y | 490 4.90 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016