Frequencies for first 10,000 rows of prov2345 variable in pos1994 dataset : spec: | otolaryngol | ogy | Freq. Percent Cum. ------------+----------------------------------- | 9,575 95.75 95.75 N | 234 2.34 98.09 Y | 191 1.91 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016