Summary statistics for ther2011q3 dataset :

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

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    331517     7688626    61422.25    7406481    7900201
dsg_drug_seq |    331517    1.02e+09    226600.3   1.02e+09   1.02e+09
    start_dt |    310746    2.01e+07    76820.21    2010301   2.08e+07
start_dt_num |    310743    17738.72    1928.643    -348321      42735
      end_dt |    163757    2.01e+07    27683.94   1.90e+07   2.01e+07
-------------+--------------------------------------------------------
  end_dt_num |    163757    18213.08    1014.781     -21914      18992
         dur |     75150    156.8477    502.0879          0      16060
     dur_cod |         0

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