Frequencies for first 10,000 rows of rx6cat3 variable in namcs2012 dataset : For RX6, | MULTUM drug | category #3 | - detailed | Freq. Percent Cum. ------------+----------------------------------- | 9,983 99.83 99.83 203 | 8 0.08 99.91 265 | 2 0.02 99.93 270 | 3 0.03 99.96 430 | 1 0.01 99.97 433 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016