Summary statistics for nadac20160601 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 |     23,872    10.33484    209.6036     .00195   17153.21
effective_~e |     23,872    20574.17    53.52609      20228      20606
pricing_unit |          0
-------------+---------------------------------------------------------
pharmacy_t~r |          0
         otc |          0
explanatio~e |          0
classifica~g |          0
correspond~c |      1,265    4.210382     21.3061      .0031    413.988
-------------+---------------------------------------------------------
    asofdate |     23,872       20606           0      20606      20606
        year |     23,872        2016           0       2016       2016
       month |     23,872           6           0          6          6
         day |     23,872           1           0          1          1
generic_dr~e |          0
-------------+---------------------------------------------------------
generic_dr~c |      1,265    20589.38    20.31518      20228      20606

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