Frequencies for first 10,000 rows of drg3ing1 variable in nhamcsed1993 dataset : ingredient | code #1 for | drug #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,756 97.56 97.56 50000 | 7 0.07 97.63 50002 | 1 0.01 97.64 50005 | 88 0.88 98.52 50145 | 29 0.29 98.81 50182 | 1 0.01 98.82 50210 | 1 0.01 98.83 50260 | 7 0.07 98.90 50325 | 2 0.02 98.92 50410 | 5 0.05 98.97 50420 | 9 0.09 99.06 50613 | 1 0.01 99.07 50690 | 1 0.01 99.08 50806 | 1 0.01 99.09 50869 | 1 0.01 99.10 50899 | 2 0.02 99.12 50933 | 1 0.01 99.13 51055 | 1 0.01 99.14 51130 | 1 0.01 99.15 51340 | 10 0.10 99.25 51670 | 5 0.05 99.30 51675 | 7 0.07 99.37 51903 | 1 0.01 99.38 51910 | 6 0.06 99.44 52040 | 1 0.01 99.45 52065 | 3 0.03 99.48 52490 | 5 0.05 99.53 52615 | 1 0.01 99.54 52645 | 4 0.04 99.58 52655 | 5 0.05 99.63 52830 | 1 0.01 99.64 53780 | 10 0.10 99.74 53895 | 7 0.07 99.81 54160 | 1 0.01 99.82 54960 | 1 0.01 99.83 55555 | 16 0.16 99.99 55835 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016