Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsopd1996 dataset : ingredient | code #2 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,820 98.20 98.20 50575 | 2 0.02 98.22 50728 | 2 0.02 98.24 50730 | 1 0.01 98.25 51120 | 1 0.01 98.26 51130 | 1 0.01 98.27 51235 | 1 0.01 98.28 51340 | 13 0.13 98.41 51382 | 2 0.02 98.43 51708 | 2 0.02 98.45 52070 | 1 0.01 98.46 52355 | 1 0.01 98.47 52450 | 1 0.01 98.48 52490 | 4 0.04 98.52 52501 | 5 0.05 98.57 52645 | 3 0.03 98.60 52650 | 5 0.05 98.65 52825 | 2 0.02 98.67 53050 | 2 0.02 98.69 53070 | 1 0.01 98.70 53175 | 6 0.06 98.76 53280 | 1 0.01 98.77 53445 | 2 0.02 98.79 53600 | 1 0.01 98.80 53670 | 1 0.01 98.81 53720 | 2 0.02 98.83 53780 | 3 0.03 98.86 53820 | 13 0.13 98.99 53895 | 3 0.03 99.02 53905 | 2 0.02 99.04 53965 | 1 0.01 99.05 54000 | 1 0.01 99.06 54094 | 5 0.05 99.11 54297 | 1 0.01 99.12 54395 | 2 0.02 99.14 54455 | 6 0.06 99.20 54465 | 2 0.02 99.22 54468 | 1 0.01 99.23 54590 | 1 0.01 99.24 54595 | 2 0.02 99.26 54755 | 2 0.02 99.28 54890 | 5 0.05 99.33 54960 | 6 0.06 99.39 54990 | 14 0.14 99.53 55105 | 1 0.01 99.54 55315 | 1 0.01 99.55 55330 | 1 0.01 99.56 55610 | 1 0.01 99.57 55925 | 5 0.05 99.62 55997 | 30 0.30 99.92 56194 | 1 0.01 99.93 56195 | 1 0.01 99.94 56345 | 1 0.01 99.95 57033 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016