Frequencies for first 10,000 rows of drg5ing2 variable in nhamcsopd1998 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,939 99.39 99.39 50728 | 2 0.02 99.41 51175 | 1 0.01 99.42 51290 | 2 0.02 99.44 51340 | 1 0.01 99.45 51708 | 1 0.01 99.46 51903 | 3 0.03 99.49 51935 | 2 0.02 99.51 52650 | 4 0.04 99.55 52883 | 1 0.01 99.56 53175 | 5 0.05 99.61 53445 | 1 0.01 99.62 53720 | 2 0.02 99.64 53780 | 2 0.02 99.66 53805 | 1 0.01 99.67 53820 | 1 0.01 99.68 54094 | 3 0.03 99.71 54455 | 3 0.03 99.74 54890 | 2 0.02 99.76 54960 | 1 0.01 99.77 54990 | 1 0.01 99.78 55105 | 1 0.01 99.79 55115 | 1 0.01 99.80 55590 | 2 0.02 99.82 55850 | 1 0.01 99.83 55925 | 3 0.03 99.86 55997 | 7 0.07 99.93 56194 | 1 0.01 99.94 56345 | 3 0.03 99.97 57146 | 1 0.01 99.98 57208 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016