Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        553          43           0         43         43
      county |        553          72           0         72         72
       month |        553    6.902351    3.561755          1         12
         day |        553    15.37613    8.992928          1         31
        year |        553          93           0         93         93
-------------+---------------------------------------------------------
        hour |        553    13.14105    8.344594          0         99
      minute |        553    23.47559    17.08673          0         99
    ve_forms |        553     1.37613    .6045793          1          4
     persons |        553    2.627486    1.656816          1         14
     fed_aid |        553    3.292948    1.649848          1          5
-------------+---------------------------------------------------------
    road_fnc |        553    9.443038    5.389949          1         16
       route |        553    3.267631    1.316279          1          6
      sp_jur |        553           0           0          0          0
     harm_ev |        553    14.01989    10.33924          1         43
    man_coll |        553    .9349005    1.664667          0          6
-------------+---------------------------------------------------------
    rel_junc |        553    1.084991    .2791207          1          2
    rel_road |        553    2.323689    2.108068          1          6
    traf_flo |        553    2.081374    .7510116          1          4
    no_lanes |        553    2.710669     1.18391          1          6
    sp_limit |        553    42.11573    10.25266         15         55
-------------+---------------------------------------------------------
    alignmnt |        553    1.135624    .3426987          1          2
     profile |        553    1.280289     .595203          1          3
    pave_typ |        553    1.889693    .3464919          1          4
    sur_cond |        553    1.166365    .3727454          1          2
    tra_cont |        553    .4611212    2.853746          0         28
-------------+---------------------------------------------------------
    t_cont_f |        553    .1934901    .7326453          0          3
     hit_run |        553    .2423146    .6476404          0          2
    lgt_cond |        553    2.016275    .9391384          1          5
     weather |        553    1.164557    .3711159          1          2
    c_m_zone |        553     .005425    .0735207          0          1
-------------+---------------------------------------------------------
    not_hour |        553    2.616637    6.342679          0         23
     not_min |        553    4.641953    12.12354          0         57
    arr_hour |        553    2.611212    6.362454          0         23
     arr_min |        553    5.132007    13.09271          0         55
     hosp_hr |        553           0           0          0          0
-------------+---------------------------------------------------------
     hosp_mn |        553           0           0          0          0
     sch_bus |        553     .005425    .0735207          0          1
         cf1 |        553           0           0          0          0
         cf2 |        553           0           0          0          0
         cf3 |        553           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        553    1.084991    .3378465          1          4
    day_week |        553    4.363472    2.203399          1          7
    drunk_dr |        553    .3526221    .5454667          0          2
     st_case |        553    430280.4    162.5713     430001     430567
      milept |        553    4772.837    20744.37          0      99999
-------------+---------------------------------------------------------
        city |        553    523.8662    325.2022         10       1060
     tway_id |          0
        rail |          0
        peds |        553    .4792043    .5897845          0          5

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