Summary statistics for demo2012q4 dataset :

by Jean Roth , jroth@nber.org , 7 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    238,616    8.92e+07    2.54e+07   3.45e+07   8.81e+08
      caseid |    238,616     8824193    234430.2    3448328    9337231
 caseversion |    238,616    1.366279    .9555536          1         46
    i_f_code |          0
i_f_code_num |    238,616    71.53903    .8422861         70         72
-------------+---------------------------------------------------------
    event_dt |    131,929    1.28e+07     9638713       1942   2.10e+07
event_dt_num |    131,927       18855    992.7006     -13249      52121
      mfr_dt |    228,629    2.01e+07    129997.7       1954   2.01e+07
  mfr_dt_num |    228,628    19147.65    511.7914      -2009      59084
 init_fda_dt |    238,616    2.01e+07    3703.517   2.00e+07   2.01e+07
-------------+---------------------------------------------------------
init_fda_d~m |    238,616    19261.72    153.4127      14690      19358
      fda_dt |    238,616    2.01e+07    114.4523   2.01e+07   2.01e+07
  fda_dt_num |    238,616    19295.23    34.74401      19107      19358
    rept_cod |          0
rept_cod_num |    238,616    737480.3    52334.09     687382     806982
-------------+---------------------------------------------------------
     mfr_num |          0
    mfr_sndr |          0
         age |    143,918    1164.305    2583.945       -111      95803
     age_cod |          0
         sex |          0
-------------+---------------------------------------------------------
       e_sub |          0
          wt |     54,327    83.64835     50.7033          0       6727
       wtstr |          0
      wt_cod |          0
     rept_dt |    236,682    2.01e+07    318548.9       2011   9.11e+07
-------------+---------------------------------------------------------
 rept_dt_num |    236,638    19308.07    5849.165    -345979    2612215
      to_mfr |          0
    occp_cod |          0
reporter_c~y |          0
occr_country |          0
-------------+---------------------------------------------------------
occp_cod_num |    230,875    7370.172    547.3197       6778       8278

by Jean Roth , jroth@nber.org , 7 Apr 2017