Summary statistics for demo2017q4 dataset :

by Jean Roth , jroth@nber.org , 19 Jun 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    327,848    1.44e+08    6.51e+07   3.94e+07   1.41e+09
      caseid |    327,848    1.40e+07    550666.4    3937953   1.45e+07
 caseversion |    327,848    1.511277    1.393468          1         78
    i_f_code |          0
i_f_code_num |    327,848    71.44239    .8968252         70         72
-------------+---------------------------------------------------------
    event_dt |    155,379    1.21e+07     9838312       1936   2.02e+07
event_dt_num |    155,379    20706.25    939.5191      -8583      21367
      mfr_dt |    312,018    2.02e+07    8950.546   1.99e+07   2.02e+07
  mfr_dt_num |    312,018    21048.49    344.1145      10393      21182
 init_fda_dt |    327,848    2.02e+07      4395.7   2.00e+07   2.02e+07
-------------+---------------------------------------------------------
init_fda_d~m |    327,848    21089.79    181.7071      15827      21184
      fda_dt |    327,848    2.02e+07    83.65746   2.02e+07   2.02e+07
  fda_dt_num |    327,848    21136.81     27.0444      21093      21184
    rept_cod |          0
rept_cod_num |    327,848    745714.9    54183.45     687382     806982
-------------+---------------------------------------------------------
    auth_num |          0
     mfr_num |          0
    mfr_sndr |          0
     lit_ref |          0
         age |    189,191     175.305    1684.614         -8      35961
-------------+---------------------------------------------------------
     age_cod |          0
     age_grp |          0
 age_grp_num |          0
         sex |          0
       e_sub |          0
-------------+---------------------------------------------------------
          wt |     59,661    75.42413    42.19915          0       7508
      wt_cod |          0
     rept_dt |    327,672    2.02e+07    78163.52       2028   2.02e+07
 rept_dt_num |    327,667    21136.35    31.16401      17183      21185
      to_mfr |          0
-------------+---------------------------------------------------------
    occp_cod |          0
reporter_c~y |          0
occr_country |          0
occp_cod_num |    324,069    7384.816    559.5084       6778       8072

by Jean Roth , jroth@nber.org , 19 Jun 2018