Summary statistics for demo2013q1 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    223,178    9.13e+07    2.12e+07   3.04e+07   8.93e+08
      caseid |    223,178     9067380    251059.6    3037529    9819975
 caseversion |    223,178    1.305886    .8492714          1         34
    i_f_code |          0
i_f_code_num |    223,178     71.6101    .7923293         70         72
-------------+---------------------------------------------------------
    event_dt |    126,811    1.21e+07     9799062       1012   2.10e+07
event_dt_num |    126,810    18990.32    2235.766    -346176      62429
      mfr_dt |    215,872    2.01e+07    96173.82     200211   2.01e+07
  mfr_dt_num |    215,872    19308.79    233.1769     -27027      19507
 init_fda_dt |    223,178    2.01e+07    5110.516   1.99e+07   2.01e+07
-------------+---------------------------------------------------------
init_fda_d~m |    223,178    19366.58    145.0059      10933      19448
      fda_dt |    223,178    2.01e+07    2029.717   2.01e+07   2.01e+07
  fda_dt_num |    223,178    19396.17    38.94017      18998      19448
    rept_cod |          0
rept_cod_num |    223,178    753240.5    54457.11     687382     806982
-------------+---------------------------------------------------------
     mfr_num |          0
    mfr_sndr |          0
         age |    136,959    1029.401    2440.498        -68      95803
     age_cod |          0
         sex |          0
-------------+---------------------------------------------------------
       e_sub |          0
          wt |     50,137    86.99251    90.83123        .45      11182
       wtstr |          0
      wt_cod |          0
     rept_dt |    222,542    2.01e+07    232078.9       2012   2.01e+07
-------------+---------------------------------------------------------
 rept_dt_num |    222,512    19388.81    68.96249      13425      19747
      to_mfr |          0
    occp_cod |          0
reporter_c~y |          0
occr_country |          0
-------------+---------------------------------------------------------
occp_cod_num |    215,982    7294.813    560.3735       6778       8278

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