Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsed2000 dataset : ingredient | code #1 for | drug #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,877 98.77 98.77 50000 | 1 0.01 98.78 50005 | 53 0.53 99.31 50145 | 10 0.10 99.41 50260 | 4 0.04 99.45 50275 | 2 0.02 99.47 50420 | 6 0.06 99.53 50450 | 1 0.01 99.54 50620 | 1 0.01 99.55 50755 | 2 0.02 99.57 50806 | 2 0.02 99.59 50900 | 2 0.02 99.61 51340 | 2 0.02 99.63 51670 | 1 0.01 99.64 51675 | 5 0.05 99.69 51910 | 4 0.04 99.73 52070 | 1 0.01 99.74 52075 | 1 0.01 99.75 52490 | 2 0.02 99.77 52615 | 2 0.02 99.79 52645 | 1 0.01 99.80 52650 | 1 0.01 99.81 52955 | 1 0.01 99.82 52990 | 3 0.03 99.85 53780 | 7 0.07 99.92 53915 | 1 0.01 99.93 55555 | 5 0.05 99.98 56193 | 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