Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        524          43           0         43         43
      county |        524          72           0         72         72
       month |        524    6.782443    3.513753          1         12
         day |        524    16.35496    8.521705          1         31
        hour |        524    13.14885    8.360701          0         99
-------------+---------------------------------------------------------
      minute |        524    24.39313     17.5368          0         99
    ve_forms |        524    1.366412    .5925749          1          4
     persons |        524    2.446565    1.439343          1         14
         nhs |        524    .3053435    .4609929          0          1
    road_fnc |        524    9.519084    5.050568          1         16
-------------+---------------------------------------------------------
       route |        524     3.34542    1.247927          1          6
      sp_jur |        524           0           0          0          0
     harm_ev |        524    15.26718    11.17055          1         43
    man_coll |        524    .9236641    1.603621          0          6
    rel_junc |        524    1.070611    .2564182          1          2
-------------+---------------------------------------------------------
    rel_road |        524    2.349237    2.133718          1          6
    traf_flo |        524     2.03626    .6548993          1          4
    no_lanes |        524        2.75    1.163704          1          7
    sp_limit |        524    42.00382    9.061717         25         55
    alignmnt |        524    1.185115    .3887616          1          2
-------------+---------------------------------------------------------
     profile |        524    1.291985    .6032518          1          3
    pave_typ |        524    1.898855    .3376879          1          4
    sur_cond |        524    1.183206    .3872051          1          2
    tra_cont |        524    .1622137    1.327177          0         20
    t_cont_f |        524    .0973282    .5320264          0          3
-------------+---------------------------------------------------------
     hit_run |        524    .1469466    .5241493          0          3
    lgt_cond |        524    1.998092    .8993285          1          5
     weather |        524    1.183206    .3872051          1          2
    c_m_zone |        524    .0057252    .0976083          0          2
    not_hour |        524     2.85687     6.38657          0         24
-------------+---------------------------------------------------------
     not_min |        524    5.772901      13.366          0         58
    arr_hour |        524    2.835878    6.366722          0         23
     arr_min |        524    6.578244    14.64427          0         59
     hosp_hr |        524           0           0          0          0
     hosp_mn |        524           0           0          0          0
-------------+---------------------------------------------------------
     sch_bus |        524           0           0          0          0
         cf1 |        524           0           0          0          0
         cf2 |        524           0           0          0          0
         cf3 |        524           0           0          0          0
      fatals |        524    1.064885    .3381252          1          5
-------------+---------------------------------------------------------
    day_week |        524    4.091603    2.200992          1          7
    drunk_dr |        155    1.045161    .2083309          1          2
     st_case |        524    430262.5      151.41     430001     430524
      milept |        524    4272.334    19583.51          0      99999
        city |        524    527.6336    327.9074         10       1060
-------------+---------------------------------------------------------
        year |        524        1998           0       1998       1998
     tway_id |          0
        rail |          0
        peds |        524    .4694656    .8186538          0         13

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