Frequencies for first 10,000 rows of drg3ing2 variable in nhamcsed1998 dataset : ingredient | code #2 for | drug #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,807 98.07 98.07 50530 | 3 0.03 98.10 50728 | 1 0.01 98.11 51064 | 3 0.03 98.14 51290 | 1 0.01 98.15 51340 | 10 0.10 98.25 52040 | 1 0.01 98.26 52490 | 1 0.01 98.27 52650 | 29 0.29 98.56 52720 | 9 0.09 98.65 52743 | 2 0.02 98.67 52845 | 1 0.01 98.68 52883 | 1 0.01 98.69 53050 | 2 0.02 98.71 53070 | 1 0.01 98.72 53175 | 25 0.25 98.97 53720 | 2 0.02 98.99 53895 | 3 0.03 99.02 54094 | 28 0.28 99.30 54385 | 1 0.01 99.31 54455 | 4 0.04 99.35 54595 | 5 0.05 99.40 54860 | 1 0.01 99.41 54890 | 7 0.07 99.48 54960 | 8 0.08 99.56 55115 | 3 0.03 99.59 55590 | 1 0.01 99.60 55710 | 6 0.06 99.66 55850 | 1 0.01 99.67 55925 | 3 0.03 99.70 55997 | 16 0.16 99.86 57033 | 10 0.10 99.96 57206 | 2 0.02 99.98 57208 | 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