Frequencies for first 10,000 rows of dose_unit variable in drug2018q1 dataset :

    Unit of |
  drug dose |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,943       49.43       49.43
         DF |        338        3.38       52.81
          G |         87        0.87       53.68
        GTT |         25        0.25       53.93
         IU |         58        0.58       54.51
        MCI |          3        0.03       54.54
        MEQ |         12        0.12       54.66
         MG |      4,120       41.20       95.86
      MG/KG |         57        0.57       96.43
    MG/M**2 |        134        1.34       97.77
        MIU |          2        0.02       97.79
         ML |         49        0.49       98.28
         NG |          1        0.01       98.29
        PCT |         11        0.11       98.40
         UG |        158        1.58       99.98
      UG/KG |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Jun 2018