Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsed1997 dataset : ingredient | code #2 for | drug #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,775 97.75 97.75 50530 | 2 0.02 97.77 50575 | 1 0.01 97.78 51064 | 4 0.04 97.82 51340 | 21 0.21 98.03 51670 | 1 0.01 98.04 51935 | 1 0.01 98.05 52023 | 6 0.06 98.11 52040 | 1 0.01 98.12 52490 | 2 0.02 98.14 52645 | 1 0.01 98.15 52650 | 49 0.49 98.64 52720 | 9 0.09 98.73 52845 | 1 0.01 98.74 53175 | 25 0.25 98.99 53190 | 1 0.01 99.00 53335 | 1 0.01 99.01 53780 | 1 0.01 99.02 53895 | 7 0.07 99.09 53905 | 1 0.01 99.10 54094 | 20 0.20 99.30 54297 | 1 0.01 99.31 54400 | 1 0.01 99.32 54455 | 4 0.04 99.36 54465 | 1 0.01 99.37 54595 | 3 0.03 99.40 54890 | 9 0.09 99.49 54960 | 4 0.04 99.53 54990 | 1 0.01 99.54 55115 | 1 0.01 99.55 55315 | 1 0.01 99.56 55521 | 4 0.04 99.60 55590 | 1 0.01 99.61 55710 | 5 0.05 99.66 55925 | 2 0.02 99.68 55997 | 22 0.22 99.90 56020 | 1 0.01 99.91 57033 | 8 0.08 99.99 57206 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016