Summary statistics for reac2016q4 dataset :

by Jean Roth , jroth@nber.org , 18 Sep 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    917,010    1.53e+08    1.53e+08   4.08e+07   1.29e+09
      caseid |    917,010    1.26e+07    778650.1    4083807   1.31e+07
          pt |          0
drug_rec_act |          0

by Jean Roth , jroth@nber.org , 18 Sep 2017