Frequencies for first 10,000 rows of drg4ing2 variable in nhamcsopd2002 dataset : ingredient | code #2 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,906 99.06 99.06 50728 | 1 0.01 99.07 51064 | 1 0.01 99.08 51340 | 1 0.01 99.09 51560 | 1 0.01 99.10 51915 | 2 0.02 99.12 52045 | 1 0.01 99.13 52490 | 1 0.01 99.14 53118 | 1 0.01 99.15 53175 | 1 0.01 99.16 53780 | 3 0.03 99.19 53820 | 4 0.04 99.23 53915 | 1 0.01 99.24 53965 | 1 0.01 99.25 54328 | 3 0.03 99.28 54990 | 3 0.03 99.31 55105 | 1 0.01 99.32 55440 | 2 0.02 99.34 55925 | 4 0.04 99.38 55997 | 7 0.07 99.45 56445 | 1 0.01 99.46 57130 | 4 0.04 99.50 57146 | 5 0.05 99.55 57166 | 1 0.01 99.56 57192 | 3 0.03 99.59 59702 | 1 0.01 99.60 70027 | 1 0.01 99.61 70150 | 1 0.01 99.62 70152 | 3 0.03 99.65 70217 | 5 0.05 99.70 70231 | 4 0.04 99.74 70256 | 1 0.01 99.75 70269 | 6 0.06 99.81 70282 | 1 0.01 99.82 70341 | 3 0.03 99.85 70359 | 3 0.03 99.88 70362 | 2 0.02 99.90 70370 | 1 0.01 99.91 70555 | 2 0.02 99.93 70565 | 2 0.02 99.95 70586 | 2 0.02 99.97 70597 | 1 0.01 99.98 80007 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016