Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        343          43           0         43         43
      county |        343          72           0         72         72
       month |        343    6.236152     3.47332          1         12
         day |        343    16.29155     9.05649          1         31
        hour |        343    12.51895    8.929488          0         99
-------------+---------------------------------------------------------
      minute |        343    25.57434    17.39025          0         99
    ve_total |        343    1.393586    .6750913          1          5
     persons |        343    2.379009    1.821516          1         25
        peds |        343    .4081633    .5537146          0          3
         nhs |        343     .244898    .4306549          0          1
-------------+---------------------------------------------------------
    road_fnc |        343    8.078717    5.204832          1         16
       route |        343    3.516035    1.118246          1          6
      sp_jur |        343           0           0          0          0
     harm_ev |        343    17.10496    12.07508          1         43
    man_coll |        343    1.104956    2.109725          0          9
-------------+---------------------------------------------------------
    rel_junc |        343    1.116618    .3214335          1          2
    rel_road |        343    2.492711    2.147848          1          6
    traf_flo |        343    2.125364    .6745354          1          4
    no_lanes |        343    2.623907    1.100882          1          6
    sp_limit |        343    40.23324    12.68504         15         65
-------------+---------------------------------------------------------
    alignmnt |        343    1.195335    .3970378          1          2
     profile |        343    1.303207     .612889          1          3
    pave_typ |        343    1.912536    .2829259          1          2
    sur_cond |        343    1.177843    .3829388          1          2
    tra_cont |        343    1.457726    5.206591          0         20
-------------+---------------------------------------------------------
    t_cont_f |        343    .2186589    .7809886          0          3
    lgt_cond |        343    2.090379    1.003209          1          5
    weather1 |        343    1.174927    .3804598          1          2
    weather2 |        343           0           0          0          0
    wrk_zone |        343           0           0          0          0
-------------+---------------------------------------------------------
    not_hour |        343    84.67055    32.63639          0         99
     not_min |        343    87.76093     26.4217          0         99
    arr_hour |        343    84.98251    32.27377          0         99
     arr_min |        343    87.94461     26.3879          0         99
     hosp_hr |        343          99           0         99         99
-------------+---------------------------------------------------------
     hosp_mn |        343          99           0         99         99
     sch_bus |        343    .0029155    .0539949          0          1
         cf1 |        343           0           0          0          0
         cf2 |        343           0           0          0          0
         cf3 |        343           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        343     1.06414    .2891251          1          4
    day_week |        343    3.997085    2.254947          1          7
    drunk_dr |        343    .3177843    .5140184          0          3
     st_case |        343    430174.8    100.1584     430001     430347
        city |        343    520.7872    335.7835         10       1060
-------------+---------------------------------------------------------
        year |        343        2009           0       2009       2009
      milept |        343    1068.895    9313.948          0      99999
     tway_id |          0
    tway_id2 |          0
        rail |          0
-------------+---------------------------------------------------------
    latitude |          7    18.40538    .0251289   18.37574   18.44061
    longitud |          7   -66.28053    .2828085  -66.74702  -66.05689
    ve_forms |        343    1.376093    .6633337          1          5
     weather |        343    1.174927    .3804598          1          2

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