Frequencies for first 10,000 rows of drg7ing2 variable in namcs2004 dataset : ingredient | code #2 for | medication | #7 | Freq. Percent Cum. ------------+----------------------------------- | 9,967 99.67 99.67 53780 | 1 0.01 99.68 53805 | 1 0.01 99.69 54065 | 1 0.01 99.70 54990 | 2 0.02 99.72 55135 | 1 0.01 99.73 56192 | 1 0.01 99.74 56193 | 1 0.01 99.75 56194 | 1 0.01 99.76 57130 | 5 0.05 99.81 57136 | 1 0.01 99.82 59710 | 1 0.01 99.83 70013 | 1 0.01 99.84 70027 | 1 0.01 99.85 70120 | 1 0.01 99.86 70150 | 3 0.03 99.89 70217 | 4 0.04 99.93 70341 | 1 0.01 99.94 70359 | 4 0.04 99.98 70555 | 1 0.01 99.99 80006 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016