Summary statistics for reac2015q4 dataset :

by Jean Roth , jroth@nber.org , 6 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    969,028    1.29e+08    1.07e+08   3.79e+07   1.18e+09
      caseid |    969,028    1.15e+07    635382.2    3790999   1.20e+07
          pt |          0
drug_rec_act |          0

by Jean Roth , jroth@nber.org , 6 Apr 2017