Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        430          43           0         43         43
      county |        430          72           0         72         72
       month |        430    6.488372    3.440958          1         12
         day |        430    15.27442    8.691504          1         31
        hour |        430    11.50465    7.855853          0         24
-------------+---------------------------------------------------------
      minute |        430    25.98372    17.49558          0         58
    ve_total |        430    1.453488    .6972637          1          6
     persons |        430    2.251163    1.175581          1         10
        peds |        430    .3674419    .5287629          0          3
         nhs |        430    .2395349    .4272968          0          1
-------------+---------------------------------------------------------
    road_fnc |        430    8.474419    5.538847          1         16
       route |        430    3.502326    1.156211          1          6
      sp_jur |        430           0           0          0          0
     harm_ev |        430     16.3186    11.35375          1         49
    man_coll |        430    1.202326    2.065025          0          8
-------------+---------------------------------------------------------
    rel_junc |        430    1.011628    .1073289          1          2
    rel_road |        430     2.47907    2.137091          1          6
    traf_flo |        430     2.15814    .5656164          1          4
    no_lanes |        430    2.744186    1.217453          1          6
    sp_limit |        430    41.31395    12.62076         15         65
-------------+---------------------------------------------------------
    alignmnt |        430    1.186047    .3895975          1          2
     profile |        430    1.362791    .6885759          1          4
    pave_typ |        430    1.925581    .2627566          1          2
    sur_cond |        430    1.123256    .3291135          1          2
    tra_cont |        430    1.488372    5.255132          0         20
-------------+---------------------------------------------------------
    t_cont_f |        430    .2232558    .7882698          0          3
     hit_run |        430    .1348837     .483231          0          2
    lgt_cond |        430    2.174419    .9822654          1          5
    weather1 |        430    1.123256    .3291135          1          2
    weather2 |        430           0           0          0          0
-------------+---------------------------------------------------------
    c_m_zone |        430           0           0          0          0
    not_hour |        430    79.51163    37.05818          0         99
     not_min |        430     83.3186    30.86799          0         99
    arr_hour |        430    79.91395    36.78767          0         99
     arr_min |        430    83.30465    31.02541          0         99
-------------+---------------------------------------------------------
     hosp_hr |        430          99           0         99         99
     hosp_mn |        430          99           0         99         99
     sch_bus |        430           0           0          0          0
         cf1 |        430    .2302326    4.774204          0         99
         cf2 |        430    .2302326    4.774204          0         99
-------------+---------------------------------------------------------
         cf3 |        430    .2302326    4.774204          0         99
      fatals |        430    1.051163    .2205863          1          2
    day_week |        430    4.060465    2.291378          1          7
    drunk_dr |        430    .5023256     .635943          0          3
     st_case |        430    430216.4    124.4653     430001     430431
-------------+---------------------------------------------------------
        city |        430    518.9721    325.7393         10       1060
      milept |        430    2791.021    15775.05          0      99999
        year |        430        2007           0       2007       2007
     tway_id |          0
    tway_id2 |          0
-------------+---------------------------------------------------------
        rail |          0
    latitude |          0
    longitud |          0
    ve_forms |        430    1.432558     .688812          1          6
     weather |        430    1.123256    .3291135          1          2

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