Summary statistics for demo2013q4 dataset :

by Jean Roth , jroth@nber.org , 6 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    232,454    9.69e+07    2.69e+07   3.68e+07   9.61e+08
      caseid |    232,454     9589314    313452.2    3681487   1.03e+07
 caseversion |    232,454    1.460624    1.036403          1         50
    i_f_code |          0
i_f_code_num |    232,454    71.39396    .9191288         70         72
-------------+---------------------------------------------------------
    event_dt |    126,956    1.28e+07     9627566       1951   2.01e+07
event_dt_num |    126,955    19252.95    1324.754    -345901      19722
      mfr_dt |    225,314    2.01e+07     59779.8     200204   2.01e+07
  mfr_dt_num |    225,314     19546.2    280.6306      13842      19723
 init_fda_dt |    232,454    2.01e+07     3965.11   1.99e+07   2.01e+07
-------------+---------------------------------------------------------
init_fda_d~m |    232,454    19626.56    167.9585      11392      19723
      fda_dt |    232,454    2.01e+07    97.68378   2.01e+07   2.01e+07
  fda_dt_num |    232,454    19673.73    27.95168      19271      19723
    rept_cod |          0
rept_cod_num |    232,454      751450    54410.73     687382     806982
-------------+---------------------------------------------------------
     mfr_num |          0
    mfr_sndr |          0
         age |    145,503     11605.2    23840.65          0     112509
     age_cod |          0
         sex |          0
-------------+---------------------------------------------------------
       e_sub |          0
          wt |     52,804    82.00829    37.68052          0       1410
       wtstr |          0
      wt_cod |          0
     rept_dt |    232,115    2.01e+07    191488.2       1904   2.02e+07
-------------+---------------------------------------------------------
 rept_dt_num |    232,095    19665.35     760.618    -345542      26212
      to_mfr |          0
    occp_cod |          0
reporter_c~y |          0
occr_country |          0
-------------+---------------------------------------------------------
occp_cod_num |    224,233     7309.45     560.638       6778       8278

by Jean Roth , jroth@nber.org , 6 Apr 2017