Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        484          43           0         43         43
      county |        484          72           0         72         72
       month |        484    6.704545    3.534143          1         12
         day |        484    15.79132     8.76445          1         31
        hour |        484    12.39256    7.419326          0         24
-------------+---------------------------------------------------------
      minute |        484    25.07231    17.55408          0         58
    ve_total |        484    1.396694    .6957944          1         10
     persons |        484    2.227273    1.414945          1         17
        peds |        484    .3677686    .6818213          0          7
         nhs |        484         .25    .4334607          0          1
-------------+---------------------------------------------------------
    road_fnc |        484    8.438017    5.290552          1         16
       route |        484    3.502066    1.126564          1          6
      sp_jur |        484           0           0          0          0
     harm_ev |        484    16.49174    12.01922          1         49
    man_coll |        484    1.221074    2.157055          0          8
-------------+---------------------------------------------------------
    rel_junc |        484    1.018595    .1352296          1          2
    rel_road |        484    2.533058    2.161431          1          6
    traf_flo |        484    2.159091    .6014992          1          4
    no_lanes |        484    2.626033    1.189422          1          6
    sp_limit |        484    41.22934    12.41897         15         65
-------------+---------------------------------------------------------
    alignmnt |        484    1.192149     .394397          1          2
     profile |        484    1.316116    .6603755          1          4
    pave_typ |        484    1.909091    .3086067          1          4
    sur_cond |        484    1.150826    .3582499          1          2
    tra_cont |        484    1.694215    5.574778          0         20
-------------+---------------------------------------------------------
    t_cont_f |        484    .2541322    .8362166          0          3
     hit_run |        484    .1446281    .5064308          0          2
    lgt_cond |        484    2.095041    .9985788          1          5
     weather |        484    1.150826    .3582499          1          2
    c_m_zone |        484    .0020661    .0454545          0          1
-------------+---------------------------------------------------------
    not_hour |        484     80.8905    35.69781          0         99
     not_min |        484    83.76653    30.92871          0         99
    arr_hour |        484    81.13017    35.67366          0         99
     arr_min |        484    84.28099    30.32992          0         99
     hosp_hr |        484    97.97727    10.02055          0         99
-------------+---------------------------------------------------------
     hosp_mn |        484    97.97727    10.02055          0         99
     sch_bus |        484           0           0          0          0
         cf1 |        484    .0041322    .0909091          0          2
         cf2 |        484           0           0          0          0
         cf3 |        484           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        484    1.051653    .2562215          1          3
    day_week |        484    3.907025     2.18541          1          7
    drunk_dr |        484    .3760331    .5601722          0          3
     st_case |        484    430244.9     140.715     430001     430487
        city |        484     534.781    325.7273         10       1060
-------------+---------------------------------------------------------
      milept |        484    2444.979    14897.07          0      99999
        year |        484        2006           0       2006       2006
     tway_id |          0
    tway_id2 |          0
        rail |          0
-------------+---------------------------------------------------------
    latitude |          0
    longitud |          0
    ve_forms |        484    1.363636    .6138498          1          8

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