Frequencies for first 10,000 rows of drg5ing2 variable in namcs1998 dataset : ingredient | code #2 for | medication | #5 | Freq. Percent Cum. ------------+----------------------------------- | 9,941 99.41 99.41 50728 | 1 0.01 99.42 50785 | 1 0.01 99.43 51250 | 1 0.01 99.44 51275 | 1 0.01 99.45 51340 | 1 0.01 99.46 51708 | 1 0.01 99.47 51903 | 1 0.01 99.48 51935 | 1 0.01 99.49 52490 | 3 0.03 99.52 52650 | 4 0.04 99.56 52730 | 1 0.01 99.57 52885 | 1 0.01 99.58 53050 | 1 0.01 99.59 53280 | 2 0.02 99.61 53445 | 3 0.03 99.64 53754 | 2 0.02 99.66 53820 | 1 0.01 99.67 54094 | 1 0.01 99.68 54385 | 1 0.01 99.69 54890 | 9 0.09 99.78 54960 | 1 0.01 99.79 55240 | 1 0.01 99.80 55925 | 9 0.09 99.89 55997 | 3 0.03 99.92 56193 | 1 0.01 99.93 56194 | 1 0.01 99.94 56195 | 1 0.01 99.95 57033 | 1 0.01 99.96 57136 | 1 0.01 99.97 57208 | 1 0.01 99.98 80007 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016