Frequencies for first 10,000 rows of rx11cat4 variable in namcs2015 dataset : For RX11, | MULTUM drug | category #4 | - detailed | Freq. Percent Cum. ------------+----------------------------------- | 9,997 99.97 99.97 205 | 2 0.02 99.99 445 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017