Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        465          43           0         43         43
      county |        465          72           0         72         72
       month |        465    6.675269    3.496293          1         12
         day |        465    15.98065    8.762285          1         31
        hour |        465    12.53333    7.851495          0         24
-------------+---------------------------------------------------------
      minute |        465     25.9871    16.97894          0         59
    ve_forms |        465    1.346237    .5709488          1          5
     persons |        465    2.316129      1.2599          1          9
        peds |        465    .4150538    .5588138          0          3
         nhs |        465     .227957    .4199665          0          1
-------------+---------------------------------------------------------
    road_fnc |        465    8.948387    5.377307          1         16
       route |        465    3.494624    1.133575          1          6
      sp_jur |        465           0           0          0          0
     harm_ev |        465    16.12473    11.46779          1         43
    man_coll |        465    1.152688     2.21484          0          8
-------------+---------------------------------------------------------
    rel_junc |        465    1.019355    .1379171          1          2
    rel_road |        465    2.483871    2.138587          1          6
    traf_flo |        465    2.111828    .6300399          1          4
    no_lanes |        465    2.595699    1.135242          1          6
    sp_limit |        465    41.19355    12.23975         15         65
-------------+---------------------------------------------------------
    alignmnt |        465    1.148387    .3558661          1          2
     profile |        465    1.333333    .6521406          1          3
    pave_typ |        465    1.926882    .2843397          1          4
    sur_cond |        465    1.178495     .383341          1          2
    tra_cont |        465    1.350538    5.071868          0         28
-------------+---------------------------------------------------------
    t_cont_f |        465    .1956989    .7386956          0          3
     hit_run |        465    .2365591    .6398722          0          2
    lgt_cond |        465    2.150538    .9929301          1          5
     weather |        465    1.178495     .383341          1          2
    c_m_zone |        465    .0021505    .0463739          0          1
-------------+---------------------------------------------------------
    not_hour |        465    59.98925     46.6402          0         99
     not_min |        465    62.50538    44.74748          0         99
    arr_hour |        465    60.48602    46.64295          0         99
     arr_min |        465    63.60215    44.22053          0         99
     hosp_hr |        465    70.25806    44.98561          0         99
-------------+---------------------------------------------------------
     hosp_mn |        465    70.25806    44.98561          0         99
     sch_bus |        465           0           0          0          0
         cf1 |        465           0           0          0          0
         cf2 |        465           0           0          0          0
         cf3 |        465           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        465    1.064516    .3081666          1          4
    day_week |        465    4.144086    2.276826          1          7
    drunk_dr |        465    .4774194    .6499551          0          4
     st_case |        465      430236    135.6789     430001     430470
        city |        465    549.1011    336.3036         10       1060
-------------+---------------------------------------------------------
      milept |        465    1921.157    12996.34          0      99999
        year |        465        2004           0       2004       2004
     tway_id |          0
    tway_id2 |          0
        rail |          0
-------------+---------------------------------------------------------
    latitude |          0
    longitud |          0

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