Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd1997 dataset : ingredient | code #1 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,947 99.47 99.47 50005 | 8 0.08 99.55 50145 | 3 0.03 99.58 50260 | 1 0.01 99.59 50585 | 1 0.01 99.60 50770 | 1 0.01 99.61 50933 | 1 0.01 99.62 51025 | 1 0.01 99.63 51670 | 1 0.01 99.64 51903 | 3 0.03 99.67 52045 | 2 0.02 99.69 52075 | 1 0.01 99.70 52318 | 1 0.01 99.71 52355 | 1 0.01 99.72 52490 | 2 0.02 99.74 52630 | 1 0.01 99.75 52645 | 6 0.06 99.81 52655 | 1 0.01 99.82 52990 | 2 0.02 99.84 53780 | 6 0.06 99.90 54990 | 2 0.02 99.92 55555 | 8 0.08 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016