Frequencies for first 10,000 rows of rx21cat2 variable in namcs2015 dataset : For RX21, | MULTUM drug | category #2 | - detailed | Freq. Percent Cum. ------------+----------------------------------- | 9,995 99.95 99.95 053 | 1 0.01 99.96 196 | 1 0.01 99.97 211 | 1 0.01 99.98 385 | 1 0.01 99.99 407 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017