Frequencies for first 10,000 rows of drg6ing2 variable in nhamcsopd2000 dataset : ingredient | code #2 for | medication | #6 | Freq. Percent Cum. ------------+----------------------------------- | 9,961 99.61 99.61 50575 | 1 0.01 99.62 50728 | 2 0.02 99.64 51130 | 1 0.01 99.65 51665 | 1 0.01 99.66 52650 | 1 0.01 99.67 52720 | 2 0.02 99.69 52785 | 1 0.01 99.70 53175 | 1 0.01 99.71 53220 | 1 0.01 99.72 53280 | 2 0.02 99.74 53445 | 6 0.06 99.80 53970 | 1 0.01 99.81 54094 | 4 0.04 99.85 54320 | 1 0.01 99.86 54465 | 1 0.01 99.87 54890 | 1 0.01 99.88 54960 | 1 0.01 99.89 55105 | 1 0.01 99.90 55997 | 5 0.05 99.95 56195 | 2 0.02 99.97 56345 | 1 0.01 99.98 57146 | 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