Frequencies for first 10,000 rows of anesthe variable in natl2000 dataset : Anesthetic | complicatio | ns | Freq. Percent Cum. ------------+----------------------------------- 1 | 4 0.04 0.04 2 | 9,994 99.94 99.98 9 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015