Frequencies for first 10,000 rows of drg2ing3 variable in namcs2003 dataset : ingredient | code #3 for | medication | #2 | Freq. Percent Cum. ------------+----------------------------------- | 9,907 99.07 99.07 50745 | 5 0.05 99.12 52908 | 8 0.08 99.20 53070 | 3 0.03 99.23 53175 | 1 0.01 99.24 53550 | 1 0.01 99.25 53640 | 1 0.01 99.26 53720 | 1 0.01 99.27 54305 | 1 0.01 99.28 54400 | 1 0.01 99.29 54455 | 2 0.02 99.31 54465 | 1 0.01 99.32 54468 | 4 0.04 99.36 54990 | 1 0.01 99.37 55105 | 6 0.06 99.43 55130 | 7 0.07 99.50 55270 | 1 0.01 99.51 55280 | 1 0.01 99.52 55610 | 1 0.01 99.53 55710 | 2 0.02 99.55 55725 | 1 0.01 99.56 55745 | 1 0.01 99.57 55905 | 1 0.01 99.58 56192 | 1 0.01 99.59 56198 | 1 0.01 99.60 56340 | 2 0.02 99.62 56445 | 1 0.01 99.63 70212 | 1 0.01 99.64 70256 | 3 0.03 99.67 70259 | 9 0.09 99.76 70338 | 2 0.02 99.78 70358 | 4 0.04 99.82 70362 | 6 0.06 99.88 70394 | 1 0.01 99.89 70407 | 1 0.01 99.90 70500 | 1 0.01 99.91 70582 | 1 0.01 99.92 70626 | 6 0.06 99.98 70667 | 1 0.01 99.99 70690 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016