Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsed1999 dataset : ingredient | code #2 for | drug #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,964 99.64 99.64 51340 | 3 0.03 99.67 52023 | 1 0.01 99.68 52645 | 1 0.01 99.69 52650 | 5 0.05 99.74 52720 | 2 0.02 99.76 52743 | 1 0.01 99.77 53175 | 2 0.02 99.79 54094 | 7 0.07 99.86 54455 | 1 0.01 99.87 54860 | 1 0.01 99.88 54890 | 1 0.01 99.89 54983 | 1 0.01 99.90 55315 | 1 0.01 99.91 55925 | 2 0.02 99.93 55997 | 4 0.04 99.97 57033 | 1 0.01 99.98 57136 | 1 0.01 99.99 91011 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016