Frequencies for first 10,000 rows of drg7ing2 variable in namcs2003 dataset : ingredient | code #2 for | medication | #7 | Freq. Percent Cum. ------------+----------------------------------- | 9,969 99.69 99.69 52650 | 1 0.01 99.70 54845 | 1 0.01 99.71 54960 | 1 0.01 99.72 54990 | 1 0.01 99.73 55710 | 2 0.02 99.75 55925 | 4 0.04 99.79 55997 | 1 0.01 99.80 56192 | 3 0.03 99.83 56195 | 1 0.01 99.84 57130 | 3 0.03 99.87 57192 | 1 0.01 99.88 70120 | 1 0.01 99.89 70150 | 2 0.02 99.91 70217 | 2 0.02 99.93 70231 | 1 0.01 99.94 70256 | 1 0.01 99.95 70269 | 2 0.02 99.97 70282 | 1 0.01 99.98 70339 | 1 0.01 99.99 70401 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016