Frequencies for first 10,000 rows of cum_dose_unit variable in drug2015q3 dataset : Cumulative | dose to | first | reaction | unit | Freq. Percent Cum. ------------+----------------------------------- | 9,541 95.41 95.41 DF | 7 0.07 95.48 G | 12 0.12 95.60 Gtt | 1 0.01 95.61 IU | 11 0.11 95.72 MG | 399 3.99 99.71 MG/KG | 14 0.14 99.85 MG/M2 | 11 0.11 99.96 ML | 1 0.01 99.97 UG | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 19 Apr 2017