Frequencies for first 10,000 rows of rx19v2c2 variable in nhamcsed2015 dataset For RX19, | level 2 of | MULTUM drug | category #2 | (intermedia | te level) | Freq. Percent Cum. ------------+----------------------------------- | 9,993 99.93 99.93 123 | 2 0.02 99.95 129 | 4 0.04 99.99 460 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017