Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        552          43           0         43         43
      county |        552    71.86957    3.064524          0         72
       month |        552    6.612319    3.501889          1         12
         day |        552    15.16486    8.844287          1         31
        year |        552          97           0         97         97
-------------+---------------------------------------------------------
        hour |        552    13.02355     7.53825          0         24
      minute |        552       24.25    16.72146          0         55
    ve_forms |        552     1.34058    .5586655          1          4
     persons |        552    2.554348    1.660019          1         16
         nhs |        552     .317029    .4657409          0          1
-------------+---------------------------------------------------------
    road_fnc |        552    9.623188    5.178768          1         16
       route |        552     3.32971       1.258          1          6
      sp_jur |        552           0           0          0          0
     harm_ev |        552    15.10145    11.20526          1         43
    man_coll |        552    .8061594    1.491816          0          6
-------------+---------------------------------------------------------
    rel_junc |        552    1.088768    .2846667          1          2
    rel_road |        552    2.472826    2.197834          1          6
    traf_flo |        552    2.112319    .6961604          1          4
    no_lanes |        552    2.681159    1.130251          1          6
    sp_limit |        552    42.12862    9.599405         15         55
-------------+---------------------------------------------------------
    alignmnt |        552    1.163043    .3697404          1          2
     profile |        552    1.273551    .5959541          1          4
    pave_typ |        552    1.887681     .348802          1          4
    sur_cond |        552    1.141304    .3486512          1          2
    tra_cont |        552         .25    1.593715          0         20
-------------+---------------------------------------------------------
    t_cont_f |        552    .1576087    .6699243          0          3
     hit_run |        552    .1702899    .5587008          0          2
    lgt_cond |        552    2.030797    .9161551          1          5
     weather |        552    1.141304    .3486512          1          2
    c_m_zone |        552    .0018116    .0425628          0          1
-------------+---------------------------------------------------------
    not_hour |        552    3.186594    6.619525          0         23
     not_min |        552    7.021739    14.73306          0         58
    arr_hour |        552    3.074275    6.561168          0         24
     arr_min |        552     6.86413    14.66138          0         58
     hosp_hr |        552           0           0          0          0
-------------+---------------------------------------------------------
     hosp_mn |        552           0           0          0          0
     sch_bus |        552           0           0          0          0
         cf1 |        552           0           0          0          0
         cf2 |        552           0           0          0          0
         cf3 |        552           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        552    1.072464    .2923757          1          3
    day_week |        552    4.105072    2.216055          1          7
    drunk_dr |        552    .3007246     .489601          0          2
     st_case |        552    430277.1    159.8902     430001     430553
      milept |        552    4391.625    19957.63          0      99999
-------------+---------------------------------------------------------
        city |        552    540.0688    325.1972         10       1060
     tway_id |          0
        rail |          0
        peds |        552    .4891304    .8014673          0         13

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