Frequencies for first 10,000 rows of drg3ing1 variable in nhamcsopd1997 dataset : ingredient | code #1 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,830 98.30 98.30 50000 | 4 0.04 98.34 50002 | 1 0.01 98.35 50005 | 29 0.29 98.64 50145 | 3 0.03 98.67 50260 | 2 0.02 98.69 50265 | 2 0.02 98.71 50284 | 1 0.01 98.72 50410 | 1 0.01 98.73 50420 | 1 0.01 98.74 50450 | 1 0.01 98.75 50460 | 1 0.01 98.76 50498 | 2 0.02 98.78 50585 | 1 0.01 98.79 50770 | 1 0.01 98.80 50900 | 3 0.03 98.83 51130 | 1 0.01 98.84 51340 | 2 0.02 98.86 51382 | 5 0.05 98.91 51635 | 2 0.02 98.93 51670 | 2 0.02 98.95 51890 | 3 0.03 98.98 51903 | 4 0.04 99.02 51910 | 3 0.03 99.05 52028 | 2 0.02 99.07 52045 | 11 0.11 99.18 52065 | 1 0.01 99.19 52070 | 1 0.01 99.20 52075 | 6 0.06 99.26 52318 | 6 0.06 99.32 52490 | 9 0.09 99.41 52645 | 12 0.12 99.53 52655 | 2 0.02 99.55 52990 | 2 0.02 99.57 53255 | 7 0.07 99.64 53780 | 13 0.13 99.77 54770 | 2 0.02 99.79 54960 | 1 0.01 99.80 55160 | 1 0.01 99.81 55555 | 17 0.17 99.98 56185 | 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