Frequencies for first 10,000 rows of dose_unit variable in drug2014q4 dataset : Unit of | drug dose | Freq. Percent Cum. ------------+----------------------------------- | 4,649 46.49 46.49 DF | 282 2.82 49.31 G | 62 0.62 49.93 GM | 3 0.03 49.96 GTT | 6 0.06 50.02 IU | 61 0.61 50.63 IU/KG | 2 0.02 50.65 KIU | 1 0.01 50.66 MBQ | 1 0.01 50.67 MEQ | 9 0.09 50.76 MG | 4,295 42.95 93.71 MG/KG | 71 0.71 94.42 MG/M**2 | 135 1.35 95.77 MIU | 13 0.13 95.90 ML | 31 0.31 96.21 NG | 2 0.02 96.23 PCT | 14 0.14 96.37 UG | 359 3.59 99.96 UG/KG | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Apr 2017