Frequencies for first 10,000 rows of prov3275 variable in pos2001 dataset : srv: | physician-o | nsite-resid | ents | Freq. Percent Cum. ------------+----------------------------------- | 7,345 73.45 73.45 N | 838 8.38 81.83 Y | 1,817 18.17 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016