Frequencies for first 10,000 rows of rx3cat3 variable in nhamcsopd2010 dataset : for rx3, | multum drug | category #3 | - detailed | Freq. Percent Cum. ------------+----------------------------------- | 9,944 99.44 99.44 185 | 4 0.04 99.48 197 | 26 0.26 99.74 203 | 18 0.18 99.92 220 | 1 0.01 99.93 270 | 2 0.02 99.95 433 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016