Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsopd1996 dataset : ingredient | code #2 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,968 99.68 99.68 50728 | 2 0.02 99.70 51340 | 3 0.03 99.73 52353 | 1 0.01 99.74 52645 | 1 0.01 99.75 52650 | 2 0.02 99.77 53175 | 2 0.02 99.79 53445 | 1 0.01 99.80 53895 | 1 0.01 99.81 54094 | 1 0.01 99.82 54297 | 1 0.01 99.83 54320 | 1 0.01 99.84 54455 | 1 0.01 99.85 54755 | 1 0.01 99.86 54890 | 2 0.02 99.88 54960 | 1 0.01 99.89 54990 | 1 0.01 99.90 55460 | 1 0.01 99.91 55525 | 1 0.01 99.92 55925 | 1 0.01 99.93 55997 | 3 0.03 99.96 56345 | 1 0.01 99.97 57033 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016