Frequencies for first 10,000 rows of drg5ing1 variable in namcs2000 dataset : ingredient | code #1 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,930 99.30 99.30 50000 | 1 0.01 99.31 50002 | 1 0.01 99.32 50005 | 14 0.14 99.46 50088 | 1 0.01 99.47 50145 | 1 0.01 99.48 50420 | 1 0.01 99.49 50498 | 1 0.01 99.50 50770 | 1 0.01 99.51 50776 | 1 0.01 99.52 50785 | 1 0.01 99.53 50845 | 1 0.01 99.54 50899 | 3 0.03 99.57 51130 | 1 0.01 99.58 51635 | 1 0.01 99.59 51670 | 3 0.03 99.62 51910 | 1 0.01 99.63 52065 | 1 0.01 99.64 52075 | 3 0.03 99.67 52450 | 1 0.01 99.68 52478 | 1 0.01 99.69 52490 | 6 0.06 99.75 52548 | 1 0.01 99.76 52645 | 7 0.07 99.83 52955 | 1 0.01 99.84 52990 | 3 0.03 99.87 53255 | 1 0.01 99.88 53630 | 1 0.01 99.89 53723 | 2 0.02 99.91 53780 | 2 0.02 99.93 53995 | 1 0.01 99.94 54455 | 1 0.01 99.95 54915 | 2 0.02 99.97 56193 | 1 0.01 99.98 57072 | 1 0.01 99.99 80004 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016