Frequencies for first 10,000 rows of drg4ing2 variable in nhamcsopd1996 dataset : ingredient | code #2 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,908 99.08 99.08 50575 | 1 0.01 99.09 50728 | 3 0.03 99.12 50730 | 1 0.01 99.13 51064 | 1 0.01 99.14 51340 | 6 0.06 99.20 51860 | 1 0.01 99.21 51935 | 2 0.02 99.23 52355 | 1 0.01 99.24 52490 | 1 0.01 99.25 52501 | 1 0.01 99.26 52650 | 5 0.05 99.31 52825 | 1 0.01 99.32 52845 | 1 0.01 99.33 53050 | 1 0.01 99.34 53175 | 2 0.02 99.36 53445 | 2 0.02 99.38 53600 | 2 0.02 99.40 53720 | 1 0.01 99.41 53780 | 1 0.01 99.42 53820 | 3 0.03 99.45 53895 | 3 0.03 99.48 53965 | 2 0.02 99.50 54094 | 4 0.04 99.54 54297 | 1 0.01 99.55 54395 | 1 0.01 99.56 54455 | 4 0.04 99.60 54465 | 1 0.01 99.61 54890 | 4 0.04 99.65 54895 | 1 0.01 99.66 54960 | 3 0.03 99.69 54990 | 4 0.04 99.73 55925 | 10 0.10 99.83 55997 | 11 0.11 99.94 56185 | 1 0.01 99.95 56194 | 1 0.01 99.96 56345 | 1 0.01 99.97 57033 | 2 0.02 99.99 57122 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016