Summary statistics for ther2005q3 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    116612     4747417    24608.06    4628736    4868032
dsg_drug_seq |    116612    1.01e+09       95485   1.01e+09   1.01e+09
    start_dt |    106399    2.00e+07    253853.7   1.01e+07   1.00e+08
start_dt_num |    106399    15806.44    9274.541    -348608    2936185
      end_dt |     68198    2.00e+07      144481   1.97e+07   5.01e+07
-------------+--------------------------------------------------------
  end_dt_num |     68198    16262.67    5277.782       2192    1112301
         dur |     26918    1318.361    7469.885          0      99360
     dur_cod |         0

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