Summary statistics for reac2014q4 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    635,787    1.14e+08    8.46e+07   3.13e+07   1.05e+09
      caseid |    635,787    1.04e+07    502795.1    3132024   1.10e+07
          pt |          0
drug_rec_act |          0

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