Frequencies for first 10,000 rows of drg5ing2 variable in nhamcsopd1996 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,951 99.51 99.51 50728 | 1 0.01 99.52 51290 | 2 0.02 99.54 51340 | 5 0.05 99.59 52490 | 1 0.01 99.60 52650 | 4 0.04 99.64 53175 | 1 0.01 99.65 53280 | 1 0.01 99.66 53445 | 1 0.01 99.67 53600 | 1 0.01 99.68 53720 | 1 0.01 99.69 53780 | 1 0.01 99.70 53895 | 1 0.01 99.71 54094 | 4 0.04 99.75 54455 | 3 0.03 99.78 54890 | 3 0.03 99.81 55850 | 1 0.01 99.82 55925 | 3 0.03 99.85 55997 | 12 0.12 99.97 56185 | 1 0.01 99.98 57033 | 1 0.01 99.99 80007 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016