Summary statistics for accident dataset :

by Jean Roth , jroth@nber.org , 18 Apr 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        471          43           0         43         43
      county |        471          72           0         72         72
       month |        471    6.494692    3.588319          1         12
         day |        471    15.34395    8.683842          1         31
        hour |        471    12.60722    7.477674          0         24
-------------+---------------------------------------------------------
      minute |        471    23.52866    16.88064          0         56
    ve_forms |        471    1.373673    .5911286          1          4
     persons |        471     2.36518    1.219687          1         11
        peds |        471    .3800425    .5667609          0          5
         nhs |        471    .2356688    .4248673          0          1
-------------+---------------------------------------------------------
    road_fnc |        471    8.728238    5.479403          1         16
       route |        471    3.490446    1.127704          1          4
      sp_jur |        471           0           0          0          0
     harm_ev |        471    15.06369    10.67808          1         43
    man_coll |        471    1.159236    2.116328          0          8
-------------+---------------------------------------------------------
    rel_junc |        471    1.087049    .2822063          1          2
    rel_road |        471    2.403397    2.136489          1          6
    traf_flo |        471    2.133758    .6094526          1          4
    no_lanes |        471    2.664544    1.185908          1          6
    sp_limit |        471    40.97665    12.43286         10         65
-------------+---------------------------------------------------------
    alignmnt |        471    1.154989    .3622794          1          2
     profile |        471     1.29724    .6229416          1          3
    pave_typ |        471     1.92569    .2625535          1          2
    sur_cond |        471    1.167728     .374022          1          2
    tra_cont |        471    1.373673    4.966319          0         20
-------------+---------------------------------------------------------
    t_cont_f |        471    .2547771    .8372025          0          3
     hit_run |        471    .1528662    .5238841          0          2
    lgt_cond |        471    2.235669    1.103997          1          5
     weather |        471    1.167728     .374022          1          2
    c_m_zone |        471    .0021231    .0460776          0          1
-------------+---------------------------------------------------------
    not_hour |        471    57.27813    47.04567          0         99
     not_min |        471    59.90021     45.2821          0         99
    arr_hour |        471    57.27389    47.04863          0         99
     arr_min |        471    59.78769    45.29846          0         99
     hosp_hr |        471    69.15287    45.47974          0         99
-------------+---------------------------------------------------------
     hosp_mn |        471    69.15287    45.47974          0         99
     sch_bus |        471           0           0          0          0
         cf1 |        471           0           0          0          0
         cf2 |        471           0           0          0          0
         cf3 |        471           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        471    1.050955    .2386891          1          3
    day_week |        471     4.11465    2.241679          1          7
    drunk_dr |        471     .492569     .645317          0          3
     st_case |        471    430236.7    136.5018     430001     430472
        city |        471    525.9299     332.736         10       1060
-------------+---------------------------------------------------------
      milept |        471    3221.497       16963          0      99999
        year |        471        2003           0       2003       2003
     tway_id |          0
        rail |          0
    latitude |          0
-------------+---------------------------------------------------------
    longitud |          0

by Jean Roth , jroth@nber.org , 18 Apr 2016