Summary statistics for nadacc20161026 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
ndcdescrip~n |          0
         ndc |          0
oldnadacpe~t |         47    16.81678    22.85554     .20016   105.7587
newnadacpe~t |         47    18.65482    24.58344     .23018   115.2769
classifica~g |          0
-------------+---------------------------------------------------------
percentcha~e |         47    15.14404    14.95891          2         45
percentcha~r |          0
primaryrea~n |          0
   startdate |          0
     enddate |          0
-------------+---------------------------------------------------------
        year |         47        2016           0       2016       2016
       month |         47          10           0         10         10
         day |         47          26           0         26         26

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