Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsopd2001 dataset : ingredient | code #2 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,807 98.07 98.07 50005 | 1 0.01 98.08 50728 | 3 0.03 98.11 51064 | 1 0.01 98.12 51340 | 7 0.07 98.19 51670 | 1 0.01 98.20 51910 | 8 0.08 98.28 52040 | 1 0.01 98.29 52490 | 1 0.01 98.30 52645 | 3 0.03 98.33 52650 | 12 0.12 98.45 52730 | 1 0.01 98.46 52793 | 1 0.01 98.47 52885 | 2 0.02 98.49 53050 | 1 0.01 98.50 53118 | 1 0.01 98.51 53175 | 3 0.03 98.54 53280 | 7 0.07 98.61 53670 | 2 0.02 98.63 53754 | 11 0.11 98.74 53780 | 2 0.02 98.76 53820 | 14 0.14 98.90 53965 | 1 0.01 98.91 54094 | 9 0.09 99.00 54455 | 1 0.01 99.01 54860 | 1 0.01 99.02 54960 | 3 0.03 99.05 54990 | 3 0.03 99.08 55130 | 1 0.01 99.09 55460 | 1 0.01 99.10 55521 | 1 0.01 99.11 55590 | 1 0.01 99.12 55710 | 4 0.04 99.16 55850 | 1 0.01 99.17 55925 | 5 0.05 99.22 55997 | 16 0.16 99.38 56194 | 4 0.04 99.42 56355 | 1 0.01 99.43 56445 | 13 0.13 99.56 56490 | 1 0.01 99.57 57122 | 1 0.01 99.58 57130 | 3 0.03 99.61 57146 | 4 0.04 99.65 57192 | 2 0.02 99.67 57208 | 1 0.01 99.68 57226 | 1 0.01 99.69 70005 | 2 0.02 99.71 70027 | 5 0.05 99.76 70120 | 1 0.01 99.77 70150 | 5 0.05 99.82 70152 | 1 0.01 99.83 70217 | 1 0.01 99.84 70330 | 2 0.02 99.86 70341 | 6 0.06 99.92 70359 | 3 0.03 99.95 70363 | 1 0.01 99.96 70366 | 3 0.03 99.99 80007 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016