Frequencies for first 10,000 rows of drg3ing1 variable in nhamcsopd1993 dataset : ingredient | code #1 for | medication | #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,851 98.51 98.51 50000 | 3 0.03 98.54 50002 | 1 0.01 98.55 50005 | 17 0.17 98.72 50145 | 11 0.11 98.83 50163 | 1 0.01 98.84 50260 | 4 0.04 98.88 50410 | 1 0.01 98.89 50420 | 1 0.01 98.90 50495 | 1 0.01 98.91 50550 | 1 0.01 98.92 50585 | 2 0.02 98.94 50613 | 1 0.01 98.95 50710 | 1 0.01 98.96 50745 | 1 0.01 98.97 50770 | 3 0.03 99.00 50811 | 2 0.02 99.02 50900 | 1 0.01 99.03 50933 | 1 0.01 99.04 51055 | 1 0.01 99.05 51130 | 7 0.07 99.12 51235 | 2 0.02 99.14 51335 | 1 0.01 99.15 51670 | 2 0.02 99.17 51675 | 1 0.01 99.18 51903 | 13 0.13 99.31 51910 | 1 0.01 99.32 52065 | 1 0.01 99.33 52070 | 1 0.01 99.34 52318 | 1 0.01 99.35 52490 | 2 0.02 99.37 52645 | 11 0.11 99.48 52655 | 2 0.02 99.50 53255 | 8 0.08 99.58 53630 | 1 0.01 99.59 53780 | 16 0.16 99.75 53995 | 1 0.01 99.76 54385 | 1 0.01 99.77 54595 | 2 0.02 99.79 55525 | 2 0.02 99.81 55555 | 19 0.19 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016