Frequencies for first 10,000 rows of drg6ing2 variable in namcs2000 dataset : ingredient | code #2 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,961 99.61 99.61 51340 | 3 0.03 99.64 52490 | 1 0.01 99.65 52650 | 5 0.05 99.70 52883 | 2 0.02 99.72 53175 | 1 0.01 99.73 53280 | 3 0.03 99.76 53445 | 1 0.01 99.77 53635 | 1 0.01 99.78 53720 | 1 0.01 99.79 53754 | 1 0.01 99.80 54890 | 9 0.09 99.89 54990 | 1 0.01 99.90 55710 | 2 0.02 99.92 55925 | 5 0.05 99.97 56195 | 1 0.01 99.98 57033 | 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