Summary statistics for product244 dataset :

by Jean Roth , jroth@nber.org , 20 Jan 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      prodid |          0
         ndc |          0
    prodtype |          0
    propname |          0
     propsuf |          0
-------------+---------------------------------------------------------
   npropname |          0
    dosename |          0
   routename |          0
stmarkdate~r |          0
  stmarkdate |    113,138    17388.82    4390.291     -21914      20838
-------------+---------------------------------------------------------
endmarkdat~r |          0
 endmarkdate |      2,192    21443.88    2941.924      20839     156481
    markname |          0
      appnum |          0
   labelname |          0
-------------+---------------------------------------------------------
     subname |          0
   actnumstr |          0
  actingunit |          0
   pharmclas |          0
    deasched |          0

by Jean Roth , jroth@nber.org , 20 Jan 2017