Frequencies for first 10,000 rows of rx15v1c3 variable in nhamcsed2015 dataset For RX15, | level 1 of | MULTUM drug | category #3 | (broad | level) | Freq. Percent Cum. ------------+----------------------------------- | 9,997 99.97 99.97 040 | 1 0.01 99.98 057 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017