Frequencies for first 10,000 rows of drg6ing1 variable in namcs1996 dataset : ingredient | code #1 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,946 99.46 99.46 50000 | 1 0.01 99.47 50002 | 1 0.01 99.48 50005 | 17 0.17 99.65 50145 | 1 0.01 99.66 50230 | 1 0.01 99.67 50420 | 3 0.03 99.70 50495 | 1 0.01 99.71 50770 | 1 0.01 99.72 50785 | 1 0.01 99.73 50845 | 1 0.01 99.74 51340 | 1 0.01 99.75 51670 | 2 0.02 99.77 52045 | 1 0.01 99.78 52065 | 1 0.01 99.79 52070 | 1 0.01 99.80 52075 | 1 0.01 99.81 52450 | 1 0.01 99.82 52490 | 1 0.01 99.83 52615 | 1 0.01 99.84 52645 | 8 0.08 99.92 53780 | 7 0.07 99.99 55555 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016