Frequencies for first 10,000 rows of rx19v2c2 variable in namcs2015 dataset : For RX19, | level 2 of | MULTUM drug | category #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,995 99.95 99.95 015 | 1 0.01 99.96 046 | 3 0.03 99.99 083 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 25 Oct 2017