Frequencies for first 10,000 rows of drg6ing2 variable in namcs1999 dataset : ingredient | code #2 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,968 99.68 99.68 50728 | 1 0.01 99.69 52645 | 1 0.01 99.70 52650 | 5 0.05 99.75 52720 | 1 0.01 99.76 52883 | 1 0.01 99.77 53050 | 2 0.02 99.79 53754 | 1 0.01 99.80 53970 | 1 0.01 99.81 54094 | 1 0.01 99.82 54320 | 1 0.01 99.83 54700 | 2 0.02 99.85 54890 | 2 0.02 99.87 55315 | 1 0.01 99.88 55925 | 4 0.04 99.92 55997 | 1 0.01 99.93 56194 | 1 0.01 99.94 56195 | 1 0.01 99.95 57033 | 1 0.01 99.96 57208 | 3 0.03 99.99 59702 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016