Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsed1993 dataset : ingredient | code #1 for | drug #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,966 99.66 99.66 50000 | 1 0.01 99.67 50005 | 10 0.10 99.77 50145 | 6 0.06 99.83 50325 | 1 0.01 99.84 50899 | 1 0.01 99.85 51215 | 1 0.01 99.86 51235 | 1 0.01 99.87 51345 | 1 0.01 99.88 51670 | 2 0.02 99.90 51675 | 1 0.01 99.91 51935 | 1 0.01 99.92 52490 | 1 0.01 99.93 52645 | 1 0.01 99.94 53780 | 2 0.02 99.96 53895 | 1 0.01 99.97 54655 | 1 0.01 99.98 55555 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016