Frequencies for first 10,000 rows of drg3ing3 variable in namcs2002 dataset : Ingredient | code #3 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,957 99.57 99.57 50745 | 3 0.03 99.60 52908 | 1 0.01 99.61 54305 | 1 0.01 99.62 54960 | 1 0.01 99.63 55105 | 2 0.02 99.65 55130 | 6 0.06 99.71 55645 | 1 0.01 99.72 55710 | 3 0.03 99.75 55755 | 2 0.02 99.77 55905 | 1 0.01 99.78 56194 | 1 0.01 99.79 56445 | 1 0.01 99.80 70212 | 1 0.01 99.81 70259 | 3 0.03 99.84 70338 | 2 0.02 99.86 70358 | 6 0.06 99.92 70362 | 2 0.02 99.94 70407 | 1 0.01 99.95 70493 | 1 0.01 99.96 70575 | 1 0.01 99.97 70620 | 1 0.01 99.98 70626 | 1 0.01 99.99 70667 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016