Summary statistics for demo2015q4 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    314,858    1.19e+08    4.62e+07   3.79e+07   1.18e+09
      caseid |    314,858    1.16e+07    448795.2    3790999   1.20e+07
 caseversion |    314,858    1.460992    1.182775          1         49
    i_f_code |          0
i_f_code_num |    314,858    71.46231    .8867198         70         72
-------------+---------------------------------------------------------
    event_dt |    164,271    1.20e+07     9832816       1950   2.02e+07
event_dt_num |    164,271    19878.33    3172.986    -346820    1116073
      mfr_dt |    304,478    2.01e+07    17463.32   1.90e+07   2.02e+07
  mfr_dt_num |    304,478    20154.85    668.4864     -21914      20453
 init_fda_dt |    314,858    2.02e+07    4622.052   2.00e+07   2.02e+07
-------------+---------------------------------------------------------
init_fda_d~m |    314,858    20366.09     188.483      15476      20453
      fda_dt |    314,858    2.02e+07    81.17065   2.02e+07   2.02e+07
  fda_dt_num |    314,858    20407.06    25.74323      20362      20453
    rept_cod |          0
rept_cod_num |    314,858    753968.5    54458.96     687382     806982
-------------+---------------------------------------------------------
    auth_num |          0
     mfr_num |          0
    mfr_sndr |          0
     lit_ref |          0
         age |    181,899    176.8254    1701.508     -10.33      41982
-------------+---------------------------------------------------------
     age_cod |          0
     age_grp |          0
 age_grp_num |          0
         sex |          0
       e_sub |          0
-------------+---------------------------------------------------------
          wt |     63,950    79.79428     52.1041          0       8000
      wt_cod |          0
     rept_dt |    314,702    2.02e+07    87546.65       2015   2.02e+07
 rept_dt_num |    314,696    20405.08    35.93895      16408      20454
      to_mfr |          0
-------------+---------------------------------------------------------
    occp_cod |          0
reporter_c~y |          0
occr_country |          0
occp_cod_num |    306,260    7271.407    557.4678       6778       8072

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