Frequencies for first 10,000 rows of drg3ing1 variable in nhamcsopd1994 dataset : ingredient | code #1 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,846 98.46 98.46 50000 | 4 0.04 98.50 50005 | 22 0.22 98.72 50130 | 1 0.01 98.73 50145 | 14 0.14 98.87 50230 | 1 0.01 98.88 50260 | 1 0.01 98.89 50410 | 1 0.01 98.90 50418 | 1 0.01 98.91 50450 | 3 0.03 98.94 50530 | 1 0.01 98.95 50585 | 1 0.01 98.96 50745 | 1 0.01 98.97 50770 | 1 0.01 98.98 50806 | 1 0.01 98.99 50811 | 2 0.02 99.01 50899 | 1 0.01 99.02 50933 | 2 0.02 99.04 51130 | 1 0.01 99.05 51200 | 1 0.01 99.06 51340 | 2 0.02 99.08 51638 | 1 0.01 99.09 51675 | 1 0.01 99.10 51903 | 5 0.05 99.15 51910 | 5 0.05 99.20 52035 | 1 0.01 99.21 52045 | 4 0.04 99.25 52070 | 1 0.01 99.26 52318 | 4 0.04 99.30 52355 | 1 0.01 99.31 52430 | 1 0.01 99.32 52485 | 1 0.01 99.33 52490 | 7 0.07 99.40 52495 | 1 0.01 99.41 52645 | 6 0.06 99.47 52655 | 1 0.01 99.48 52885 | 3 0.03 99.51 53255 | 10 0.10 99.61 53780 | 15 0.15 99.76 53895 | 1 0.01 99.77 53995 | 1 0.01 99.78 54385 | 3 0.03 99.81 54395 | 1 0.01 99.82 55555 | 18 0.18 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016