Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        545          43           0         43         43
      county |        545          72           0         72         72
       month |        545    6.655046    3.476589          1         12
         day |        545    15.15229    8.839912          1         31
        year |        545          94           0         94         94
-------------+---------------------------------------------------------
        hour |        545    12.31009    7.554288          0         24
      minute |        545    24.32477    16.47957          0         55
    ve_forms |        545    1.433028    .7197394          1          5
     persons |        545    2.726606    1.767904          1         20
         nhs |        545    .3633028    .4813928          0          1
-------------+---------------------------------------------------------
    road_fnc |        545    9.533945    4.971171          1         16
       route |        545    3.348624    1.267351          1          6
      sp_jur |        545           0           0          0          0
     harm_ev |        545    15.38716    11.03481          1         43
    man_coll |        545    .9045872    1.530954          0          6
-------------+---------------------------------------------------------
    rel_junc |        545    1.051376    .2209666          1          2
    rel_road |        545    2.445872    2.192338          1          6
    traf_flo |        545    2.146789    .7151934          1          4
    no_lanes |        545     2.72844    1.194203          1          6
    sp_limit |        545    41.86239    9.642953         25         55
-------------+---------------------------------------------------------
    alignmnt |        545    1.165138    .3716458          1          2
     profile |        545    1.284404    .6226683          1          4
    pave_typ |        545    1.915596    .2974074          1          4
    sur_cond |        545     1.13945    .3467333          1          2
    tra_cont |        545     .493578      3.2883          0         28
-------------+---------------------------------------------------------
    t_cont_f |        545    .0972477    .5248352          0          3
     hit_run |        545    .1724771    .5619477          0          3
    lgt_cond |        545     1.93578    .8836259          1          5
     weather |        545    1.143119    .3557219          1          3
    c_m_zone |        545    .0073394    .1047638          0          2
-------------+---------------------------------------------------------
    not_hour |        545    2.172477    5.626517          0         23
     not_min |        545    4.577982    12.18839          0         55
    arr_hour |        545    2.115596    5.612112          0         23
     arr_min |        545    4.704587    12.09669          0         59
     hosp_hr |        545    .1816514    4.240694          0         99
-------------+---------------------------------------------------------
     hosp_mn |        545    .1816514    4.240694          0         99
     sch_bus |        545           0           0          0          0
         cf1 |        545           0           0          0          0
         cf2 |        545           0           0          0          0
         cf3 |        545           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        545    1.097248    .4063962          1          5
    day_week |        545    4.258716    2.151659          1          7
    drunk_dr |        545    .3045872    .5026374          0          2
     st_case |        545    430276.3    159.1186     430001     430550
      milept |        545    3170.486    16860.66          0      99999
-------------+---------------------------------------------------------
        city |        545    552.9908    517.2337         20       9999
     tway_id |          0
        rail |          0
        peds |        545    .4385321    .5755286          0          4

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