Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd1994 dataset : ingredient | code #1 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,964 99.64 99.64 50005 | 5 0.05 99.69 50145 | 2 0.02 99.71 50410 | 1 0.01 99.72 50460 | 1 0.01 99.73 50585 | 1 0.01 99.74 50869 | 1 0.01 99.75 50899 | 1 0.01 99.76 50900 | 1 0.01 99.77 51345 | 1 0.01 99.78 52065 | 1 0.01 99.79 52070 | 1 0.01 99.80 52430 | 1 0.01 99.81 52645 | 1 0.01 99.82 52655 | 1 0.01 99.83 53255 | 2 0.02 99.85 53720 | 1 0.01 99.86 53723 | 1 0.01 99.87 53780 | 5 0.05 99.92 53895 | 1 0.01 99.93 53915 | 1 0.01 99.94 55555 | 6 0.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016