Frequencies for first 10,000 rows of drg6ing1 variable in namcs1999 dataset : ingredient | code #1 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,963 99.63 99.63 50005 | 8 0.08 99.71 50088 | 1 0.01 99.72 50182 | 1 0.01 99.73 50230 | 1 0.01 99.74 50260 | 1 0.01 99.75 50420 | 1 0.01 99.76 50770 | 1 0.01 99.77 50899 | 2 0.02 99.79 51130 | 1 0.01 99.80 52070 | 1 0.01 99.81 52450 | 1 0.01 99.82 52645 | 7 0.07 99.89 52650 | 2 0.02 99.91 52885 | 1 0.01 99.92 53780 | 5 0.05 99.97 54655 | 1 0.01 99.98 55555 | 1 0.01 99.99 56193 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016