Frequencies for first 10,000 rows of drg5ing2 variable in nhamcsopd1997 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,956 99.56 99.56 51290 | 1 0.01 99.57 51340 | 3 0.03 99.60 51935 | 1 0.01 99.61 52490 | 1 0.01 99.62 52645 | 1 0.01 99.63 52845 | 1 0.01 99.64 53175 | 3 0.03 99.67 53280 | 1 0.01 99.68 53445 | 2 0.02 99.70 53780 | 1 0.01 99.71 54094 | 3 0.03 99.74 54890 | 2 0.02 99.76 54960 | 2 0.02 99.78 54990 | 2 0.02 99.80 55105 | 2 0.02 99.82 55240 | 1 0.01 99.83 55925 | 6 0.06 99.89 55997 | 8 0.08 99.97 56192 | 1 0.01 99.98 56194 | 1 0.01 99.99 57033 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016