Frequencies for first 10,000 rows of drg5ing2 variable in namcs1997 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,941 99.41 99.41 50410 | 3 0.03 99.44 50575 | 1 0.01 99.45 50728 | 1 0.01 99.46 51055 | 1 0.01 99.47 51290 | 1 0.01 99.48 51708 | 1 0.01 99.49 52650 | 10 0.10 99.59 52720 | 2 0.02 99.61 53004 | 2 0.02 99.63 53175 | 3 0.03 99.66 53280 | 1 0.01 99.67 53445 | 2 0.02 99.69 53720 | 1 0.01 99.70 54094 | 2 0.02 99.72 54238 | 1 0.01 99.73 54595 | 1 0.01 99.74 54890 | 5 0.05 99.79 55105 | 1 0.01 99.80 55710 | 1 0.01 99.81 55925 | 8 0.08 99.89 55997 | 1 0.01 99.90 56020 | 2 0.02 99.92 56185 | 1 0.01 99.93 56194 | 1 0.01 99.94 56195 | 3 0.03 99.97 57136 | 2 0.02 99.99 57208 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016