Summary statistics for accident dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        548          43           0         43         43
      county |        548          72           0         72         72
       month |        548    6.706204    3.529375          1         12
         day |        548    15.60036    8.774389          1         31
        year |        548          95           0         95         95
-------------+---------------------------------------------------------
        hour |        548    12.56387    7.682546          0         23
      minute |        548    23.42518    16.59342          0         55
    ve_forms |        548    1.394161    .5968554          1          4
     persons |        548    2.507299    1.399249          1         12
         nhs |        548    .4215328    .4942557          0          1
-------------+---------------------------------------------------------
    road_fnc |        548    9.417883    4.992005          1         16
       route |        548    3.297445    1.278794          1          6
      sp_jur |        548           0           0          0          0
     harm_ev |        548    14.86131     10.6599          1         43
    man_coll |        548    .9343066    1.578903          0          6
-------------+---------------------------------------------------------
    rel_junc |        548    1.078467     .269151          1          2
    rel_road |        548    2.436131    2.137317          1          6
    traf_flo |        548    2.034672     .662858          1          4
    no_lanes |        548    2.731752    1.159625          1          6
    sp_limit |        548    41.83394    9.673074         15         55
-------------+---------------------------------------------------------
    alignmnt |        548    1.160584    .3674822          1          2
     profile |        548    1.312044    .6161158          1          3
    pave_typ |        548    1.916058    .2775536          1          2
    sur_cond |        548     1.14781     .355236          1          2
    tra_cont |        548    .3576642      2.5803          0         28
-------------+---------------------------------------------------------
    t_cont_f |        548    .1259124     .602117          0          3
     hit_run |        548    .1770073    .5637273          0          2
    lgt_cond |        548    2.129562    .9635032          1          5
     weather |        548     1.14781     .355236          1          2
    c_m_zone |        548    .0018248    .0427179          0          1
-------------+---------------------------------------------------------
    not_hour |        548    2.655109    6.332906          0         23
     not_min |        548    5.638686    13.37003          0         57
    arr_hour |        548    2.534672    6.184302          0         24
     arr_min |        548    5.755474    13.56906          0         59
     hosp_hr |        548           0           0          0          0
-------------+---------------------------------------------------------
     hosp_mn |        548           0           0          0          0
     sch_bus |        548           0           0          0          0
         cf1 |        548           0           0          0          0
         cf2 |        548           0           0          0          0
         cf3 |        548           0           0          0          0
-------------+---------------------------------------------------------
      fatals |        548    1.085766    .3799571          1          5
    day_week |        548    3.989051    2.197695          1          7
    drunk_dr |        548    .3430657     .522796          0          2
     st_case |        548    430274.5    158.3382     430001     430548
      milept |        548    5009.131    21224.44          0      99999
-------------+---------------------------------------------------------
        city |        548    519.2153    329.6375         10       1060
     tway_id |          0
        rail |          0
        peds |        548    .3905109    .5482741          0          5

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