Frequencies for first 10,000 rows of rx14cat3 variable in nhamcsed2014 dataset : For RX14, | MULTUM drug | category #3 | - most | detailed | level (can | be either | Level 1,2 | Freq. Percent Cum. ------------+----------------------------------- | 9,997 99.97 99.97 197 | 1 0.01 99.98 203 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017