Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsopd2002 dataset : ingredient | code #2 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,975 99.75 99.75 51340 | 1 0.01 99.76 55850 | 1 0.01 99.77 55925 | 1 0.01 99.78 55997 | 1 0.01 99.79 56490 | 1 0.01 99.80 57130 | 1 0.01 99.81 57146 | 2 0.02 99.83 70027 | 2 0.02 99.85 70150 | 1 0.01 99.86 70152 | 1 0.01 99.87 70216 | 1 0.01 99.88 70231 | 1 0.01 99.89 70269 | 2 0.02 99.91 70338 | 1 0.01 99.92 70341 | 1 0.01 99.93 70359 | 3 0.03 99.96 70366 | 2 0.02 99.98 70565 | 1 0.01 99.99 70586 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016