Frequencies for first 10,000 rows of rx24v3c1 variable in nhamcsed2014 dataset : For RX24, | level 3 of | MULTUM drug | category #1 | (detailed | level) | Freq. Percent Cum. ------------+----------------------------------- | 9,995 99.95 99.95 089 | 1 0.01 99.96 154 | 1 0.01 99.97 225 | 1 0.01 99.98 245 | 1 0.01 99.99 345 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017