Summary statistics for nadac20171004 dataset :

by Jean Roth , jroth@nber.org , 10 Feb 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
ndcdescrip~n |          0
         ndc |          0
nadac_per_~t |     24,545    9.542135    210.9461     .00129   18280.92
effective_~e |     24,545    21060.57    61.93315      20718      21096
pricing_unit |          0
-------------+---------------------------------------------------------
pharmacy_t~r |          0
         otc |          0
explanatio~e |          0
classifica~g |          0
correspond~c |      1,218    3.785074    15.59823     .00297    245.615
-------------+---------------------------------------------------------
    asofdate |     24,545       21096           0      21096      21096
        year |     24,545        2017           0       2017       2017
       month |     24,545          10           0         10         10
         day |     24,545           4           0          4          4
generic_dr~e |          0
-------------+---------------------------------------------------------
generic_dr~c |      1,218     21073.9     40.2063      20718      21082

by Jean Roth , jroth@nber.org , 10 Feb 2018