Frequencies for first 10,000 rows of cum_dose_unit variable in drug2017q4 datas Cumulative | dose to | first | reaction | unit | Freq. Percent Cum. ------------+----------------------------------- | 9,438 94.38 94.38 DF | 8 0.08 94.46 G | 12 0.12 94.58 IU | 3 0.03 94.61 MG | 524 5.24 99.85 MG/KG | 1 0.01 99.86 ML | 5 0.05 99.91 UG | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Jun 2018