Frequencies for first 10,000 rows of dose_unit variable in drug2014q1 dataset :

    Unit of |
  drug dose |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      5,572       55.72       55.72
         DF |        135        1.35       57.07
          G |         72        0.72       57.79
         GM |          1        0.01       57.80
        GTT |          5        0.05       57.85
         IU |         31        0.31       58.16
          L |          2        0.02       58.18
        MEQ |          8        0.08       58.26
         MG |      3,584       35.84       94.10
      MG/KG |         64        0.64       94.74
    MG/M**2 |         62        0.62       95.36
        MIU |          3        0.03       95.39
         ML |         78        0.78       96.17
         NG |          1        0.01       96.18
        PCT |         16        0.16       96.34
         UG |        362        3.62       99.96
      UG/KG |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2017