Summary statistics for demo2016q4 dataset :

by Jean Roth , jroth@nber.org , 18 Sep 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    309,815    1.32e+08    6.04e+07   4.08e+07   1.29e+09
      caseid |    309,815    1.28e+07    474723.9    4083807   1.31e+07
 caseversion |    309,815    1.532744    1.483569          1         85
    i_f_code |          0
i_f_code_num |    309,815    71.41913    .9079273         70         72
-------------+---------------------------------------------------------
    event_dt |    157,002    1.22e+07     9802918       1965   2.02e+07
event_dt_num |    157,002     20394.1    856.5364     -21549      53309
      mfr_dt |    298,452    2.02e+07    6306.559   1.99e+07   2.02e+07
  mfr_dt_num |    298,452    20708.06     247.301      10906      20818
 init_fda_dt |    309,815    2.02e+07    3932.831   2.00e+07   2.02e+07
-------------+---------------------------------------------------------
init_fda_d~m |    309,815    20728.37    165.2502      16110      20819
      fda_dt |    309,815    2.02e+07    92.01979   2.02e+07   2.02e+07
  fda_dt_num |    309,815    20773.26    26.71113      20377      20819
    rept_cod |          0
rept_cod_num |    309,815    750591.8    54465.41     687382     806982
-------------+---------------------------------------------------------
    auth_num |          0
     mfr_num |          0
    mfr_sndr |          0
     lit_ref |          0
         age |    177,737    192.6116    1822.722       -.97      35243
-------------+---------------------------------------------------------
     age_cod |          0
     age_grp |          0
 age_grp_num |          0
         sex |          0
       e_sub |          0
-------------+---------------------------------------------------------
          wt |     59,953    75.30937    27.61235          0     744.56
      wt_cod |          0
     rept_dt |    309,573    2.02e+07     80376.2       2016   2.02e+07
 rept_dt_num |    309,568    20772.54    30.02413      17455      20823
      to_mfr |          0
-------------+---------------------------------------------------------
    occp_cod |          0
reporter_c~y |          0
occr_country |          0
occp_cod_num |    302,233    7341.049    561.0989       6778       8072

by Jean Roth , jroth@nber.org , 18 Sep 2017