Summary statistics for demo2004q4 dataset :

by Jean Roth , jroth@nber.org , 18 Dec 2015

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |     70752     4508930    23672.82    4391150    4601412
      caseid |     70752     5440197    560984.5    3011760    5764813
    i_f_code |         0
i_f_code_num |     70748    71.48202     .876166         70         72
    foll_seq |         0
-------------+--------------------------------------------------------
       image |         0
    event_dt |     50963    2.00e+07    67912.97   1.90e+07   3.00e+07
event_dt_num |     50963    15992.38    2489.907     -20735     381160
      mfr_dt |     64887    2.00e+07    225169.1   1.99e+07   7.20e+07
  mfr_dt_num |     64887    16373.59    8224.723      10605    1914186
-------------+--------------------------------------------------------
      fda_dt |     70752    2.00e+07    86.25672   2.00e+07   2.00e+07
  fda_dt_num |     70752    16391.65    27.21147      16254      16436
    rept_cod |         0
rept_cod_num |     70752    725129.2    47561.48     687382     806982
     mfr_num |         0
-------------+--------------------------------------------------------
    mfr_sndr |         0
         age |     51332    76.04514    778.2665        -74      36159
     age_cod |         0
         sex |         0
       e_sub |         0
-------------+--------------------------------------------------------
          wt |     23557    106.9715    59.62958          0       1800
      wt_cod |         0
     rept_dt |     70342    2.00e+07    1059.526   1.98e+07   2.01e+07
 rept_dt_num |     70342    16382.33    50.92626       8187      17506
    occp_cod |         0
-------------+--------------------------------------------------------
    death_dt |      5827    2.00e+07     14442.9   1.96e+07   2.01e+07
      to_mfr |         0
      confid |         0
occp_cod_num |     53452    7556.483      497.62       6778       8072

by Jean Roth , jroth@nber.org , 18 Dec 2015