Frequencies for first 10,000 rows of drg2ing1 variable in nhamcsopd1997 dataset : ingredient | code #1 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,542 95.42 95.42 50000 | 5 0.05 95.47 50002 | 2 0.02 95.49 50005 | 63 0.63 96.12 50103 | 1 0.01 96.13 50145 | 7 0.07 96.20 50182 | 2 0.02 96.22 50185 | 1 0.01 96.23 50230 | 1 0.01 96.24 50250 | 1 0.01 96.25 50260 | 12 0.12 96.37 50325 | 3 0.03 96.40 50410 | 8 0.08 96.48 50450 | 1 0.01 96.49 50460 | 1 0.01 96.50 50550 | 2 0.02 96.52 50585 | 2 0.02 96.54 50660 | 1 0.01 96.55 50690 | 3 0.03 96.58 50770 | 4 0.04 96.62 50806 | 1 0.01 96.63 50869 | 1 0.01 96.64 50900 | 12 0.12 96.76 50933 | 1 0.01 96.77 51055 | 1 0.01 96.78 51130 | 9 0.09 96.87 51200 | 1 0.01 96.88 51340 | 3 0.03 96.91 51382 | 37 0.37 97.28 51635 | 1 0.01 97.29 51670 | 10 0.10 97.39 51890 | 3 0.03 97.42 51903 | 10 0.10 97.52 51910 | 12 0.12 97.64 52035 | 7 0.07 97.71 52040 | 3 0.03 97.74 52045 | 38 0.38 98.12 52070 | 4 0.04 98.16 52075 | 2 0.02 98.18 52318 | 14 0.14 98.32 52478 | 1 0.01 98.33 52485 | 1 0.01 98.34 52490 | 30 0.30 98.64 52615 | 5 0.05 98.69 52645 | 10 0.10 98.79 52655 | 6 0.06 98.85 52885 | 1 0.01 98.86 52990 | 6 0.06 98.92 53003 | 1 0.01 98.93 53255 | 12 0.12 99.05 53720 | 1 0.01 99.06 53723 | 6 0.06 99.12 53780 | 60 0.60 99.72 53875 | 1 0.01 99.73 53995 | 2 0.02 99.75 54385 | 1 0.01 99.76 54610 | 1 0.01 99.77 54960 | 1 0.01 99.78 55555 | 21 0.21 99.99 56193 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016