Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd1993 dataset : ingredient | code #1 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,954 99.54 99.54 50005 | 9 0.09 99.63 50145 | 4 0.04 99.67 50260 | 1 0.01 99.68 50410 | 1 0.01 99.69 50460 | 2 0.02 99.71 50530 | 1 0.01 99.72 50585 | 1 0.01 99.73 50745 | 1 0.01 99.74 50899 | 1 0.01 99.75 50933 | 2 0.02 99.77 51130 | 1 0.01 99.78 51235 | 1 0.01 99.79 51335 | 1 0.01 99.80 51340 | 1 0.01 99.81 52065 | 1 0.01 99.82 52318 | 1 0.01 99.83 52645 | 3 0.03 99.86 52655 | 1 0.01 99.87 52885 | 1 0.01 99.88 53255 | 1 0.01 99.89 53780 | 6 0.06 99.95 55555 | 5 0.05 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016