Frequencies for first 10,000 rows of drg4ing1 variable in namcs1995 dataset : ingredient | code #1 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,868 98.68 98.68 50000 | 1 0.01 98.69 50002 | 2 0.02 98.71 50005 | 27 0.27 98.98 50145 | 5 0.05 99.03 50182 | 1 0.01 99.04 50260 | 1 0.01 99.05 50410 | 6 0.06 99.11 50418 | 2 0.02 99.13 50440 | 1 0.01 99.14 50450 | 2 0.02 99.16 50585 | 2 0.02 99.18 50690 | 1 0.01 99.19 50745 | 1 0.01 99.20 50770 | 3 0.03 99.23 50811 | 1 0.01 99.24 50869 | 1 0.01 99.25 50899 | 1 0.01 99.26 50923 | 1 0.01 99.27 50938 | 1 0.01 99.28 51055 | 2 0.02 99.30 51130 | 7 0.07 99.37 51200 | 1 0.01 99.38 51340 | 2 0.02 99.40 51345 | 1 0.01 99.41 51670 | 2 0.02 99.43 51935 | 1 0.01 99.44 52028 | 2 0.02 99.46 52035 | 2 0.02 99.48 52045 | 2 0.02 99.50 52070 | 2 0.02 99.52 52355 | 2 0.02 99.54 52450 | 1 0.01 99.55 52485 | 1 0.01 99.56 52490 | 2 0.02 99.58 52645 | 21 0.21 99.79 52650 | 1 0.01 99.80 52655 | 2 0.02 99.82 52990 | 4 0.04 99.86 53723 | 1 0.01 99.87 53780 | 9 0.09 99.96 54770 | 1 0.01 99.97 55555 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016