Summary statistics for ther2010q2 dataset :

by Jean Roth , jroth@nber.org , 18 Dec 2015

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    240728     6735116    43501.15    6524435    7007600
dsg_drug_seq |    240728    1.01e+09    177114.2   1.01e+09   1.01e+09
    start_dt |    223941    2.01e+07    92160.72    2010419   2.01e+07
start_dt_num |    223938    17208.16    2149.933    -347575      40451
      end_dt |    128031    2.01e+07    35901.83   1.91e+07   2.01e+07
-------------+--------------------------------------------------------
  end_dt_num |    128031    17605.12      1317.7     -17716      18621
         dur |     49385    152.8547    527.2388         -1      14600
     dur_cod |         0

by Jean Roth , jroth@nber.org , 18 Dec 2015