Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsopd2000 dataset : ingredient | code #1 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,944 99.44 99.44 50005 | 8 0.08 99.52 50145 | 1 0.01 99.53 50230 | 1 0.01 99.54 50265 | 1 0.01 99.55 50410 | 1 0.01 99.56 50420 | 2 0.02 99.58 50460 | 1 0.01 99.59 51195 | 1 0.01 99.60 51200 | 1 0.01 99.61 51340 | 1 0.01 99.62 51638 | 1 0.01 99.63 51903 | 1 0.01 99.64 52070 | 1 0.01 99.65 52075 | 2 0.02 99.67 52645 | 1 0.01 99.68 52990 | 7 0.07 99.75 53780 | 14 0.14 99.89 53915 | 1 0.01 99.90 55555 | 5 0.05 99.95 56193 | 2 0.02 99.97 56194 | 1 0.01 99.98 56261 | 1 0.01 99.99 56345 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016