Frequencies for first 10,000 rows of drg4ing1 variable in namcs1994 dataset : ingredient | code #1 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,884 98.84 98.84 50002 | 2 0.02 98.86 50005 | 33 0.33 99.19 50145 | 6 0.06 99.25 50182 | 1 0.01 99.26 50230 | 2 0.02 99.28 50260 | 1 0.01 99.29 50325 | 1 0.01 99.30 50410 | 3 0.03 99.33 50418 | 2 0.02 99.35 50440 | 1 0.01 99.36 50613 | 1 0.01 99.37 50770 | 2 0.02 99.39 50899 | 2 0.02 99.41 50933 | 1 0.01 99.42 51055 | 1 0.01 99.43 51130 | 3 0.03 99.46 51340 | 5 0.05 99.51 51345 | 1 0.01 99.52 51903 | 1 0.01 99.53 51910 | 2 0.02 99.55 52028 | 1 0.01 99.56 52075 | 1 0.01 99.57 52490 | 8 0.08 99.65 52645 | 16 0.16 99.81 52655 | 1 0.01 99.82 52885 | 2 0.02 99.84 53255 | 2 0.02 99.86 53780 | 7 0.07 99.93 54160 | 1 0.01 99.94 54960 | 1 0.01 99.95 54990 | 2 0.02 99.97 55555 | 2 0.02 99.99 56345 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016