Frequencies for first 10,000 rows of drg4ing1 variable in namcs2000 dataset : ingredient | code #1 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,878 98.78 98.78 50000 | 3 0.03 98.81 50005 | 21 0.21 99.02 50088 | 1 0.01 99.03 50145 | 2 0.02 99.05 50182 | 1 0.01 99.06 50260 | 2 0.02 99.08 50410 | 3 0.03 99.11 50498 | 2 0.02 99.13 50550 | 2 0.02 99.15 50585 | 2 0.02 99.17 50776 | 2 0.02 99.19 50785 | 1 0.01 99.20 50811 | 1 0.01 99.21 50900 | 1 0.01 99.22 51340 | 3 0.03 99.25 51670 | 5 0.05 99.30 51903 | 1 0.01 99.31 51935 | 1 0.01 99.32 52000 | 1 0.01 99.33 52070 | 3 0.03 99.36 52075 | 3 0.03 99.39 52318 | 1 0.01 99.40 52450 | 4 0.04 99.44 52490 | 5 0.05 99.49 52645 | 18 0.18 99.67 52655 | 1 0.01 99.68 52990 | 4 0.04 99.72 53255 | 3 0.03 99.75 53723 | 3 0.03 99.78 53780 | 7 0.07 99.85 53995 | 1 0.01 99.86 54180 | 2 0.02 99.88 54385 | 2 0.02 99.90 54735 | 1 0.01 99.91 54960 | 1 0.01 99.92 55555 | 3 0.03 99.95 56193 | 2 0.02 99.97 56345 | 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