Frequencies for first 10,000 rows of drg2ing3 variable in namcs1998 dataset : ingredient | code #3 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,797 97.97 97.97 50637 | 1 0.01 97.98 50745 | 7 0.07 98.05 51340 | 1 0.01 98.06 52035 | 6 0.06 98.12 52908 | 3 0.03 98.15 52920 | 1 0.01 98.16 53175 | 2 0.02 98.18 53915 | 1 0.01 98.19 54325 | 3 0.03 98.22 54328 | 14 0.14 98.36 54330 | 1 0.01 98.37 54395 | 3 0.03 98.40 54455 | 10 0.10 98.50 54465 | 58 0.58 99.08 54468 | 2 0.02 99.10 54595 | 15 0.15 99.25 54755 | 1 0.01 99.26 54860 | 3 0.03 99.29 54960 | 1 0.01 99.30 54995 | 17 0.17 99.47 55080 | 1 0.01 99.48 55105 | 9 0.09 99.57 55130 | 20 0.20 99.77 55140 | 1 0.01 99.78 55240 | 6 0.06 99.84 55315 | 1 0.01 99.85 55710 | 1 0.01 99.86 56193 | 2 0.02 99.88 56195 | 1 0.01 99.89 57058 | 1 0.01 99.90 57122 | 1 0.01 99.91 59803 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016