Frequencies for first 10,000 rows of dose_unit variable in drug2018q2 dataset :

    Unit of |
  drug dose |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,555       45.55       45.55
         DF |        300        3.00       48.55
          G |        141        1.41       49.96
        GTT |         18        0.18       50.14
         IU |        112        1.12       51.26
        KIU |          1        0.01       51.27
        MEQ |          7        0.07       51.34
         MG |      4,163       41.63       92.97
      MG/KG |        115        1.15       94.12
    MG/M**2 |        145        1.45       95.57
        MIU |          3        0.03       95.60
         ML |         73        0.73       96.33
         NG |          1        0.01       96.34
        PCT |         10        0.10       96.44
         UG |        352        3.52       99.96
      UG/KG |          1        0.01       99.97
    UG/M**2 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Sep 2018