Frequencies for first 10,000 rows of drg4ing2 variable in nhamcsed2001 dataset : ingredient | code #2 for | drug #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,890 98.90 98.90 50530 | 2 0.02 98.92 50728 | 2 0.02 98.94 51064 | 1 0.01 98.95 51305 | 1 0.01 98.96 51340 | 7 0.07 99.03 51935 | 1 0.01 99.04 52650 | 27 0.27 99.31 53003 | 1 0.01 99.32 53050 | 1 0.01 99.33 53070 | 1 0.01 99.34 53175 | 13 0.13 99.47 53720 | 1 0.01 99.48 53895 | 1 0.01 99.49 54094 | 13 0.13 99.62 54395 | 3 0.03 99.65 54455 | 1 0.01 99.66 54960 | 1 0.01 99.67 54990 | 1 0.01 99.68 55240 | 1 0.01 99.69 55440 | 1 0.01 99.70 55521 | 3 0.03 99.73 55710 | 4 0.04 99.77 55715 | 1 0.01 99.78 55925 | 3 0.03 99.81 55997 | 2 0.02 99.83 57130 | 1 0.01 99.84 57146 | 1 0.01 99.85 59624 | 1 0.01 99.86 59710 | 1 0.01 99.87 70011 | 1 0.01 99.88 70027 | 2 0.02 99.90 70150 | 5 0.05 99.95 70217 | 1 0.01 99.96 70341 | 2 0.02 99.98 70366 | 1 0.01 99.99 80007 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016