Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsopd1998 dataset : ingredient | code #1 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,873 98.73 98.73 50000 | 3 0.03 98.76 50005 | 18 0.18 98.94 50145 | 2 0.02 98.96 50182 | 1 0.01 98.97 50230 | 1 0.01 98.98 50260 | 1 0.01 98.99 50460 | 1 0.01 99.00 50495 | 1 0.01 99.01 50585 | 3 0.03 99.04 50635 | 1 0.01 99.05 50770 | 3 0.03 99.08 50899 | 1 0.01 99.09 50933 | 2 0.02 99.11 50938 | 1 0.01 99.12 51130 | 2 0.02 99.14 51200 | 1 0.01 99.15 51670 | 2 0.02 99.17 51890 | 7 0.07 99.24 51903 | 3 0.03 99.27 52045 | 3 0.03 99.30 52070 | 4 0.04 99.34 52075 | 5 0.05 99.39 52318 | 4 0.04 99.43 52450 | 1 0.01 99.44 52490 | 3 0.03 99.47 52645 | 5 0.05 99.52 52655 | 1 0.01 99.53 52885 | 1 0.01 99.54 52990 | 1 0.01 99.55 53255 | 5 0.05 99.60 53723 | 7 0.07 99.67 53780 | 16 0.16 99.83 54595 | 1 0.01 99.84 54655 | 1 0.01 99.85 55555 | 10 0.10 99.95 56193 | 2 0.02 99.97 56261 | 1 0.01 99.98 56345 | 1 0.01 99.99 80004 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016