Frequencies for first 10,000 rows of rx11v1c2 variable in nhamcsed2014 dataset : For RX11, | level 1 of | MULTUM drug | category #2 | (broad | level) | Freq. Percent Cum. ------------+----------------------------------- | 9,980 99.80 99.80 001 | 1 0.01 99.81 040 | 7 0.07 99.88 057 | 1 0.01 99.89 081 | 3 0.03 99.92 087 | 1 0.01 99.93 122 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017