Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd1999 dataset : ingredient | code #1 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,943 99.43 99.43 50002 | 1 0.01 99.44 50005 | 6 0.06 99.50 50088 | 2 0.02 99.52 50230 | 1 0.01 99.53 50260 | 1 0.01 99.54 50410 | 1 0.01 99.55 50585 | 1 0.01 99.56 50785 | 1 0.01 99.57 50806 | 1 0.01 99.58 51016 | 1 0.01 99.59 51055 | 2 0.02 99.61 51130 | 1 0.01 99.62 51340 | 1 0.01 99.63 52023 | 1 0.01 99.64 52075 | 1 0.01 99.65 52450 | 2 0.02 99.67 52485 | 1 0.01 99.68 52490 | 2 0.02 99.70 52548 | 1 0.01 99.71 52645 | 3 0.03 99.74 52990 | 1 0.01 99.75 53255 | 2 0.02 99.77 53780 | 6 0.06 99.83 54180 | 1 0.01 99.84 54915 | 2 0.02 99.86 54960 | 1 0.01 99.87 55555 | 6 0.06 99.93 56193 | 2 0.02 99.95 56261 | 3 0.03 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