Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsed1996 dataset : ingredient | code #1 for | drug #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,900 99.00 99.00 50000 | 1 0.01 99.01 50005 | 44 0.44 99.45 50145 | 7 0.07 99.52 50260 | 3 0.03 99.55 50275 | 3 0.03 99.58 50325 | 1 0.01 99.59 50410 | 1 0.01 99.60 50420 | 4 0.04 99.64 50450 | 2 0.02 99.66 50460 | 1 0.01 99.67 50498 | 1 0.01 99.68 50770 | 1 0.01 99.69 50785 | 1 0.01 99.70 51130 | 2 0.02 99.72 51340 | 2 0.02 99.74 51675 | 1 0.01 99.75 52045 | 3 0.03 99.78 52070 | 1 0.01 99.79 52075 | 1 0.01 99.80 52490 | 2 0.02 99.82 52645 | 1 0.01 99.83 52655 | 1 0.01 99.84 52990 | 2 0.02 99.86 53780 | 5 0.05 99.91 54965 | 1 0.01 99.92 55555 | 8 0.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016