Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        547          43           0         43         43
      county |        547          72           0         72         72
       month |        547    6.824497    3.616495          1         12
         day |        547    15.17185    9.136315          1         31
        year |        547          96           0         96         96
-------------+---------------------------------------------------------
        hour |        547    13.02559    7.605382          0         24
      minute |        547    24.34004    16.95311          0         58
    ve_forms |        547    1.418647    .5978132          1          4
     persons |        547    2.588665    1.495077          1         14
         nhs |        547    .3107861     .463239          0          1
-------------+---------------------------------------------------------
    road_fnc |        547    9.687386    5.063614          1         16
       route |        547     3.35649    1.239967          1          6
      sp_jur |        547           0           0          0          0
     harm_ev |        547    15.28519    10.71283          1         43
    man_coll |        547    .9689214    1.602694          0          6
-------------+---------------------------------------------------------
    rel_junc |        547     1.06947    .2544841          1          2
    rel_road |        547    2.308958    2.095165          1          6
    traf_flo |        547    2.135283    .6873917          1          4
    no_lanes |        547    2.658135    1.121772          1          6
    sp_limit |        547     41.3894    9.800581         15         55
-------------+---------------------------------------------------------
    alignmnt |        547    1.180987      .38536          1          2
     profile |        547    1.294333    .6076624          1          4
    pave_typ |        547    1.904936    .2935718          1          2
    sur_cond |        547    1.173675    .3791762          1          2
    tra_cont |        547    .2175503     1.57191          0         20
-------------+---------------------------------------------------------
    t_cont_f |        547    .1261426     .602644          0          3
     hit_run |        547    .1645338    .5399633          0          2
    lgt_cond |        547    2.091408    .9525651          1          5
     weather |        547    1.175503    .3807447          1          2
    c_m_zone |        547    .0036563     .060412          0          1
-------------+---------------------------------------------------------
    not_hour |        547    3.288848    6.814169          0         24
     not_min |        547    6.946984    14.83076          0         58
    arr_hour |        547    3.144424    6.681886          0         23
     arr_min |        547    7.159049    15.08603          0         59
     hosp_hr |        547           0           0          0          0
-------------+---------------------------------------------------------
     hosp_mn |        547           0           0          0          0
     sch_bus |        547    .0018282    .0427569          0          1
         cf1 |        547           0           0          0          0
         cf2 |        547           0           0          0          0
         cf3 |        547           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        547     1.09872      .36482          1          4
    day_week |        547    4.051188    2.217383          1          7
    drunk_dr |        547    .3382084    .5283734          0          3
     st_case |        547      430278    159.8652     430001     430553
      milept |        547    3740.324    18282.81          0      99999
-------------+---------------------------------------------------------
        city |        547    529.4552    330.8929         10       1060
     tway_id |          0
        rail |          0
        peds |        547    .4497258    .6338548          0          4

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