Frequencies for first 10,000 rows of drg5ing2 variable in nhamcsopd1994 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,969 99.69 99.69 50575 | 1 0.01 99.70 51290 | 1 0.01 99.71 51340 | 2 0.02 99.73 52645 | 1 0.01 99.74 53050 | 1 0.01 99.75 53175 | 2 0.02 99.77 53780 | 1 0.01 99.78 53820 | 2 0.02 99.80 53895 | 1 0.01 99.81 53970 | 1 0.01 99.82 54094 | 3 0.03 99.85 54235 | 1 0.01 99.86 54595 | 1 0.01 99.87 54800 | 1 0.01 99.88 54890 | 1 0.01 99.89 54960 | 1 0.01 99.90 55105 | 1 0.01 99.91 55590 | 1 0.01 99.92 55925 | 1 0.01 99.93 55997 | 6 0.06 99.99 57022 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016