Frequencies for first 10,000 rows of rx5cat3 variable in nhamcsed2014 dataset : For RX5, | MULTUM drug | category #3 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,953 99.53 99.53 197 | 20 0.20 99.73 203 | 21 0.21 99.94 204 | 2 0.02 99.96 265 | 3 0.03 99.99 430 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017