Frequencies for first 10,000 rows of prov3275 variable in pos2004 dataset : srv: | physician-o | nsite-resid | ents | Freq. Percent Cum. ------------+----------------------------------- | 7,489 74.89 74.89 N | 652 6.52 81.41 Y | 1,859 18.59 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016