Frequencies for first 10,000 rows of pricing_unit variable in nadac dataset :

  Indicates |
the pricing |
   unit for |
        the |
 associated |
 NDC ('ML', |
    'GM' or |
      'EA') |      Freq.     Percent        Cum.
------------+-----------------------------------
         EA |      8,982       89.82       89.82
         ML |      1,018       10.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 1 Mar 2018