Frequencies for first 10,000 rows of rx27v3c1 variable in nhamcsed2015 dataset For RX27, | level 3 of | MULTUM drug | category #1 | (detailed | level) | Freq. Percent Cum. ------------+----------------------------------- | 9,997 99.97 99.97 089 | 1 0.01 99.98 173 | 1 0.01 99.99 213 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017