Frequencies for first 10,000 rows of prov2345 variable in pos2006 dataset : spec: | otolaryngol | ogy | Freq. Percent Cum. ------------+----------------------------------- | 9,531 95.31 95.31 N | 281 2.81 98.12 Y | 188 1.88 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016