Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsed1999 dataset : ingredient | code #1 for | drug #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,880 98.80 98.80 50000 | 1 0.01 98.81 50005 | 54 0.54 99.35 50088 | 3 0.03 99.38 50145 | 13 0.13 99.51 50260 | 7 0.07 99.58 50410 | 3 0.03 99.61 50420 | 4 0.04 99.65 50620 | 1 0.01 99.66 50690 | 1 0.01 99.67 50900 | 1 0.01 99.68 51025 | 1 0.01 99.69 51130 | 3 0.03 99.72 51219 | 1 0.01 99.73 51670 | 1 0.01 99.74 51910 | 2 0.02 99.76 52040 | 1 0.01 99.77 52065 | 1 0.01 99.78 52075 | 3 0.03 99.81 52490 | 1 0.01 99.82 52645 | 1 0.01 99.83 52650 | 1 0.01 99.84 52990 | 3 0.03 99.87 53780 | 2 0.02 99.89 53895 | 2 0.02 99.91 55555 | 8 0.08 99.99 55835 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016