Summary statistics for reac2018q4 dataset :

by Jean Roth , jroth@nber.org , 7 Mar 2019

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,250,978    1.95e+08    2.16e+08   3.67e+07   1.56e+09
      caseid |  1,250,978    1.51e+07     1194257    3670355   1.59e+07
          pt |          0
drug_rec_act |          0

by Jean Roth , jroth@nber.org , 7 Mar 2019