Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd2002 dataset : ingredient | code #1 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,935 99.35 99.35 50005 | 12 0.12 99.47 50145 | 1 0.01 99.48 50260 | 3 0.03 99.51 50410 | 1 0.01 99.52 50620 | 1 0.01 99.53 50785 | 1 0.01 99.54 51290 | 2 0.02 99.56 52075 | 2 0.02 99.58 52318 | 2 0.02 99.60 52354 | 4 0.04 99.64 52490 | 1 0.01 99.65 52548 | 3 0.03 99.68 52645 | 2 0.02 99.70 52883 | 2 0.02 99.72 52885 | 1 0.01 99.73 53003 | 2 0.02 99.75 53255 | 1 0.01 99.76 53723 | 1 0.01 99.77 53780 | 10 0.10 99.87 53805 | 2 0.02 99.89 54320 | 1 0.01 99.90 55555 | 5 0.05 99.95 56180 | 1 0.01 99.96 56192 | 1 0.01 99.97 56261 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016