Frequencies for first 10,000 rows of rx4cat3 variable in namcs2014 dataset : For RX4, | MULTUM drug | category #3 | - detailed | Freq. Percent Cum. ------------+----------------------------------- | 9,955 99.55 99.55 197 | 16 0.16 99.71 203 | 18 0.18 99.89 265 | 4 0.04 99.93 270 | 2 0.02 99.95 433 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017