Frequencies for first 10,000 rows of prov3275 variable in pos1999 dataset : srv: | physician-o | nsite-resid | ents | Freq. Percent Cum. ------------+----------------------------------- | 7,387 73.87 73.87 N | 828 8.28 82.15 Y | 1,785 17.85 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016