Frequencies for first 10,000 rows of rx8cat3 variable in nhamcsed2015 dataset : For RX8, | MULTUM drug | category #3 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,990 99.90 99.90 197 | 3 0.03 99.93 203 | 3 0.03 99.96 204 | 2 0.02 99.98 433 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017