Summary statistics for accident dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 36,254 27.21639 16.07215 1 56 county | 36,254 87.46649 91.51538 0 999 month | 36,254 6.817206 3.357215 1 12 day | 36,254 15.70538 8.952651 1 99 year | 36,254 94 0 94 94 -------------+--------------------------------------------------------- hour | 36,254 13.38156 10.45754 0 99 minute | 36,254 27.8639 18.60603 0 99 ve_forms | 36,254 1.514619 .689314 1 15 persons | 36,254 2.729216 1.867 1 61 nhs | 36,254 .9640591 2.230678 0 9 -------------+--------------------------------------------------------- road_fnc | 36,254 7.991173 6.33327 1 99 route | 36,254 3.579853 1.778886 1 9 sp_jur | 36,254 .0330998 .3544361 0 9 harm_ev | 36,254 16.64688 12.31061 1 99 man_coll | 36,254 1.2165 1.680207 0 9 -------------+--------------------------------------------------------- rel_junc | 36,254 1.792823 2.985307 1 99 rel_road | 36,254 2.356292 1.906995 1 9 traf_flo | 36,254 1.511364 1.074691 1 9 no_lanes | 36,254 2.499007 1.22161 1 9 sp_limit | 36,254 48.27818 12.81374 0 99 -------------+--------------------------------------------------------- alignmnt | 36,254 1.274149 .6491792 1 9 profile | 36,254 1.461687 1.203007 1 9 pave_typ | 36,254 2.14768 1.254296 1 9 sur_cond | 36,254 1.292161 .8789824 1 9 tra_cont | 36,254 4.615656 12.40399 0 99 -------------+--------------------------------------------------------- t_cont_f | 36,254 .6931097 1.339996 0 9 hit_run | 36,254 .0724058 .3668517 0 3 lgt_cond | 36,254 1.791609 1.025192 1 9 weather | 36,254 1.266729 .9632695 1 9 c_m_zone | 36,254 .0282727 .2362846 0 4 -------------+--------------------------------------------------------- not_hour | 36,254 38.42277 40.59686 0 99 not_min | 36,254 49.22966 36.36533 0 99 arr_hour | 36,254 34.59083 38.75336 0 99 arr_min | 36,254 48.04107 35.80366 0 99 hosp_hr | 36,254 50.21882 45.83833 0 99 -------------+--------------------------------------------------------- hosp_mn | 36,254 55.4335 43.06852 0 99 sch_bus | 36,254 .0027583 .0524479 0 1 cf1 | 36,254 .4676449 3.754946 0 99 cf2 | 36,254 .0865284 2.778669 0 99 cf3 | 36,254 .0769846 2.75206 0 99 -------------+--------------------------------------------------------- fatals | 36,254 1.123076 .4397571 1 14 day_week | 36,254 4.16983 2.115558 1 9 drunk_dr | 36,254 .3453412 .5034383 0 3 st_case | 36,254 272882.7 160566.6 10001 560135 milept | 36,254 10575.18 30207.89 0 99999 -------------+--------------------------------------------------------- city | 36,254 973.0023 1777.483 0 9999 tway_id | 0 rail | 0 peds | 36,254 .2013847 .5083554 0 22 by Jean Roth , jroth@nber.org , 18 Apr 2016