Summary statistics for ther2016q3 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    485,321    1.41e+08    1.23e+08   3.84e+07   1.26e+09
      caseid |    485,321    1.24e+07    741519.3    3839792   1.28e+07
dsg_drug_seq |    485,321    5.882665    9.877617          1        249
    start_dt |    460,160    1.41e+07     9168461       1920   2.92e+07
start_dt_num |    460,160    19707.97    1803.195    -344881     349355
-------------+---------------------------------------------------------
      end_dt |    221,017    1.52e+07     8646384       1963   2.02e+07
  end_dt_num |    221,017    20058.08    1229.103     -15887     384646
         dur |        577     24.3039    274.8554          1       6345
     dur_cod |          0

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