Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        437          43           0         43         43
      county |        437          72           0         72         72
       month |        437    6.608696    3.525167          1         12
         day |        437    15.10297    8.711793          1         31
        hour |        437     11.8833    7.541483          0         24
-------------+---------------------------------------------------------
      minute |        437    24.29062    17.57227          0         59
    ve_total |        437    1.398169    .6146501          1          4
     persons |        437    2.320366    1.393916          1         14
        peds |        437    .3615561    .5394402          0          3
         nhs |        437    .2745995    .4468238          0          1
-------------+---------------------------------------------------------
    road_fnc |        437     8.75286    5.339679          1         16
       route |        437    3.494279     1.15857          1          6
      sp_jur |        437           0           0          0          0
     harm_ev |        437    17.45538    12.21467          1         47
    man_coll |        437    1.215103    2.251289          0          9
-------------+---------------------------------------------------------
    rel_junc |        437    1.020595    .1421868          1          2
    rel_road |        437    2.638444    2.177277          1          6
    traf_flo |        437    2.194508    .5756265          1          4
    no_lanes |        437    2.743707    1.259182          1          6
    sp_limit |        437    41.36156    12.60414         15         65
-------------+---------------------------------------------------------
    alignmnt |        437     1.20595    .4048574          1          2
     profile |        437    1.338673    .6458698          1          4
    pave_typ |        437    1.899314     .301258          1          2
    sur_cond |        437    1.160183    .3671961          1          2
    tra_cont |        437     1.87643    5.838289          0         20
-------------+---------------------------------------------------------
    t_cont_f |        437    .2814645    .8757433          0          3
     hit_run |        437    .1350114    .4954711          0          2
    lgt_cond |        437    2.171625    1.060258          1          5
     weather |        437    1.160183    .3671961          1          2
    c_m_zone |        437    .0022883    .0478365          0          1
-------------+---------------------------------------------------------
    not_hour |        437    42.61785     46.5043          0         99
     not_min |        437    46.94966    44.73753          0         99
    arr_hour |        437     43.2151     46.6631          0         99
     arr_min |        437    47.69565    44.66816          0         99
     hosp_hr |        437    66.83066    46.42014          0         99
-------------+---------------------------------------------------------
     hosp_mn |        437    66.83066    46.42014          0         99
     sch_bus |        437    .0022883    .0478365          0          1
         cf1 |        437    .0457666    .9567297          0         20
         cf2 |        437           0           0          0          0
         cf3 |        437           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        437    1.045767    .2398617          1          4
    day_week |        437    4.006865     2.23862          1          7
    drunk_dr |        437    .5217391      .65498          0          4
     st_case |        437      430219    126.2953     430001     430437
        city |        437    522.4691     329.773         10       1060
-------------+---------------------------------------------------------
      milept |        437    1090.929    9523.244          0      99999
        year |        437        2005           0       2005       2005
     tway_id |          0
    tway_id2 |          0
        rail |          0
-------------+---------------------------------------------------------
    latitude |          0
    longitud |          0
    ve_forms |        437    1.375286    .5990304          1          4

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