Summary statistics for reac2017q4 dataset :

by Jean Roth , jroth@nber.org , 19 Jun 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    961,640    1.64e+08    1.58e+08   3.94e+07   1.41e+09
      caseid |    961,640    1.39e+07    869833.3    3937953   1.45e+07
          pt |          0
drug_rec_act |          0

by Jean Roth , jroth@nber.org , 19 Jun 2018