Frequencies for first 10,000 rows of rx17cat3 variable in nhamcsed2014 dataset : For RX17, | MULTUM drug | category #3 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,996 99.96 99.96 197 | 1 0.01 99.97 203 | 1 0.01 99.98 265 | 1 0.01 99.99 374 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017