Frequencies for first 10,000 rows of rx30v1c1 variable in nhamcsed2015 dataset For RX30, | level 1 of | MULTUM drug | category #1 | (broad | level) | Freq. Percent Cum. ------------+----------------------------------- | 9,998 99.98 99.98 115 | 1 0.01 99.99 254 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017