Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsed1995 dataset : ingredient | code #1 for | drug #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,893 98.93 98.93 50005 | 42 0.42 99.35 50145 | 9 0.09 99.44 50260 | 3 0.03 99.47 50325 | 1 0.01 99.48 50410 | 1 0.01 99.49 50420 | 5 0.05 99.54 50495 | 1 0.01 99.55 50806 | 1 0.01 99.56 51130 | 2 0.02 99.58 51340 | 3 0.03 99.61 51635 | 1 0.01 99.62 51670 | 1 0.01 99.63 51910 | 1 0.01 99.64 52490 | 1 0.01 99.65 52645 | 1 0.01 99.66 52655 | 1 0.01 99.67 52990 | 3 0.03 99.70 53325 | 1 0.01 99.71 53335 | 1 0.01 99.72 53780 | 7 0.07 99.79 53895 | 2 0.02 99.81 53995 | 1 0.01 99.82 54160 | 1 0.01 99.83 54332 | 1 0.01 99.84 54385 | 1 0.01 99.85 54655 | 1 0.01 99.86 54713 | 1 0.01 99.87 54960 | 1 0.01 99.88 55555 | 12 0.12 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016