Frequencies for first 10,000 rows of drg4ing1 variable in namcs1997 dataset : ingredient | code #1 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,863 98.63 98.63 50000 | 3 0.03 98.66 50005 | 25 0.25 98.91 50025 | 3 0.03 98.94 50145 | 5 0.05 98.99 50230 | 1 0.01 99.00 50260 | 1 0.01 99.01 50284 | 1 0.01 99.02 50410 | 4 0.04 99.06 50495 | 2 0.02 99.08 50508 | 1 0.01 99.09 50550 | 1 0.01 99.10 50690 | 1 0.01 99.11 50770 | 1 0.01 99.12 50806 | 1 0.01 99.13 50811 | 1 0.01 99.14 50899 | 2 0.02 99.16 50933 | 2 0.02 99.18 51020 | 1 0.01 99.19 51055 | 1 0.01 99.20 51130 | 3 0.03 99.23 51340 | 4 0.04 99.27 51635 | 3 0.03 99.30 51647 | 1 0.01 99.31 51903 | 1 0.01 99.32 51935 | 1 0.01 99.33 52025 | 1 0.01 99.34 52028 | 2 0.02 99.36 52040 | 3 0.03 99.39 52045 | 2 0.02 99.41 52065 | 1 0.01 99.42 52075 | 3 0.03 99.45 52490 | 2 0.02 99.47 52645 | 22 0.22 99.69 52650 | 1 0.01 99.70 52990 | 5 0.05 99.75 53255 | 1 0.01 99.76 53723 | 1 0.01 99.77 53780 | 14 0.14 99.91 53895 | 2 0.02 99.93 55555 | 4 0.04 99.97 56193 | 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