Frequencies for first 10,000 rows of rx15v2c3 variable in namcs2015 dataset : For RX15, | level 2 of | MULTUM drug | category #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,995 99.95 99.95 064 | 1 0.01 99.96 065 | 1 0.01 99.97 270 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017