Frequencies for first 10,000 rows of rx23v3c1 variable in nhamcsed2014 dataset : For RX23, | level 3 of | MULTUM drug | category #1 | (detailed | level) | Freq. Percent Cum. ------------+----------------------------------- | 9,992 99.92 99.92 059 | 1 0.01 99.93 069 | 1 0.01 99.94 070 | 2 0.02 99.96 262 | 1 0.01 99.97 274 | 1 0.01 99.98 301 | 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