Frequencies for first 10,000 rows of drg4ing2 variable in nhamcsopd1994 dataset : ingredient | code #2 for | medication | #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,950 99.50 99.50 50575 | 1 0.01 99.51 50785 | 1 0.01 99.52 51250 | 3 0.03 99.55 51290 | 3 0.03 99.58 51340 | 5 0.05 99.63 51647 | 1 0.01 99.64 51868 | 1 0.01 99.65 52023 | 1 0.01 99.66 52070 | 1 0.01 99.67 52355 | 2 0.02 99.69 52490 | 2 0.02 99.71 52535 | 1 0.01 99.72 52650 | 1 0.01 99.73 52655 | 1 0.01 99.74 52948 | 1 0.01 99.75 53175 | 6 0.06 99.81 53220 | 1 0.01 99.82 53820 | 1 0.01 99.83 54094 | 1 0.01 99.84 54238 | 1 0.01 99.85 54865 | 1 0.01 99.86 54890 | 2 0.02 99.88 55105 | 1 0.01 99.89 55925 | 4 0.04 99.93 55997 | 6 0.06 99.99 56192 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016