Frequencies for first 10,000 rows of rx17v1c2 variable in nhamcsed2014 dataset : For RX17, | level 1 of | MULTUM drug | category #2 | (broad | level) | Freq. Percent Cum. ------------+----------------------------------- | 9,992 99.92 99.92 040 | 2 0.02 99.94 057 | 1 0.01 99.95 081 | 1 0.01 99.96 115 | 1 0.01 99.97 122 | 2 0.02 99.99 242 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017