Frequencies for first 10,000 rows of prov3275 variable in pos1995 dataset : srv: | physician-o | nsite-resid | ents | Freq. Percent Cum. ------------+----------------------------------- | 7,523 75.23 75.23 N | 814 8.14 83.37 Y | 1,663 16.63 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016