Summary statistics for pma244 dataset :

by Jean Roth , jroth@nber.org , 12 Oct 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   pmanumber |          0
      supnum |          0
   applicant |          0
    street_1 |          0
    street_2 |          0
-------------+---------------------------------------------------------
        city |          0
       state |          0
         zip |          0
     zip_ext |          0
 genericname |          0
-------------+---------------------------------------------------------
   tradename |          0
    prodcode |          0
   advcomstr |          0
      advcom |     38,803    7275.821    586.0281       6578       8488
supplement~e |          0
-------------+---------------------------------------------------------
supplement~n |          0
      review |          0
  recdatestr |          0
     recdate |     38,803    17117.45    3789.995     -21914      21460
  decdatestr |          0
-------------+---------------------------------------------------------
     decdate |     38,803    17237.75    3712.514        287      21463
     docknum |          0
   frdatestr |          0
      frdate |      1,432    15289.61    4054.049       6714      21447
     deccode |          0
-------------+---------------------------------------------------------
 aostatement |          0

by Jean Roth , jroth@nber.org , 12 Oct 2018