Frequencies for first 10,000 rows of dose_unit variable in drug2016q3 dataset : Unit of | drug dose | Freq. Percent Cum. ------------+----------------------------------- | 4,830 48.30 48.30 DF | 316 3.16 51.46 G | 104 1.04 52.50 GTT | 11 0.11 52.61 IU | 47 0.47 53.08 IU/KG | 1 0.01 53.09 L | 2 0.02 53.11 MCI | 1 0.01 53.12 MEQ | 8 0.08 53.20 MG | 4,376 43.76 96.96 MG/KG | 90 0.90 97.86 MG/M**2 | 77 0.77 98.63 MIU | 2 0.02 98.65 ML | 28 0.28 98.93 MMOL | 1 0.01 98.94 PCT | 14 0.14 99.08 UG | 89 0.89 99.97 UG/KG | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 6 Apr 2017