Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsopd1996 dataset : ingredient | code #1 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,963 99.63 99.63 50000 | 1 0.01 99.64 50005 | 9 0.09 99.73 50145 | 1 0.01 99.74 50230 | 1 0.01 99.75 50260 | 4 0.04 99.79 50410 | 1 0.01 99.80 50620 | 1 0.01 99.81 50869 | 1 0.01 99.82 50900 | 1 0.01 99.83 51130 | 1 0.01 99.84 51382 | 1 0.01 99.85 51635 | 1 0.01 99.86 52045 | 1 0.01 99.87 52645 | 2 0.02 99.89 52655 | 1 0.01 99.90 52990 | 1 0.01 99.91 53780 | 4 0.04 99.95 54770 | 1 0.01 99.96 55555 | 3 0.03 99.99 56193 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016