Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd2001 dataset : ingredient | code #1 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,903 99.03 99.03 50000 | 1 0.01 99.04 50002 | 1 0.01 99.05 50005 | 20 0.20 99.25 50260 | 1 0.01 99.26 50410 | 1 0.01 99.27 50498 | 1 0.01 99.28 50770 | 1 0.01 99.29 50776 | 1 0.01 99.30 50933 | 1 0.01 99.31 50938 | 1 0.01 99.32 51520 | 1 0.01 99.33 51598 | 1 0.01 99.34 52045 | 2 0.02 99.36 52075 | 5 0.05 99.41 52318 | 1 0.01 99.42 52354 | 1 0.01 99.43 52447 | 1 0.01 99.44 52450 | 3 0.03 99.47 52490 | 1 0.01 99.48 52548 | 1 0.01 99.49 52645 | 3 0.03 99.52 52883 | 3 0.03 99.55 52885 | 1 0.01 99.56 53720 | 1 0.01 99.57 53780 | 21 0.21 99.78 53805 | 1 0.01 99.79 53895 | 1 0.01 99.80 53915 | 1 0.01 99.81 53995 | 1 0.01 99.82 55555 | 8 0.08 99.90 55997 | 1 0.01 99.91 56261 | 2 0.02 99.93 56345 | 4 0.04 99.97 57122 | 1 0.01 99.98 70215 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016