Summary statistics for accident dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 30,196 27.95364 16.11781 1 56 st_case | 30,196 280128.6 161143 10001 560139 ve_total | 30,196 1.515995 .7425576 1 15 ve_forms | 30,196 1.480759 .7063176 1 15 peds | 30,196 .1804544 .431716 0 8 -------------+--------------------------------------------------------- persons | 30,196 2.289177 1.798648 0 57 county | 30,196 91.09322 94.529 1 820 city | 30,196 1149.266 1859.077 0 9999 day | 30,196 15.67307 8.848085 1 31 month | 30,196 6.773579 3.315456 1 12 -------------+--------------------------------------------------------- year | 30,196 2010 0 2010 2010 day_week | 30,196 4.157272 2.107385 1 7 hour | 30,196 13.19907 10.18155 0 99 minute | 30,196 28.83819 18.44253 0 99 nhs | 30,196 .3809114 .9160264 0 9 -------------+--------------------------------------------------------- road_fnc | 30,196 9.028083 10.37364 1 99 route | 30,196 3.565803 1.771069 1 9 tway_id | 0 tway_id2 | 0 milept | 30,196 16283.5 36600.49 0 99999 -------------+--------------------------------------------------------- latitude | 29,741 36.79681 5.145461 19.03843 64.94662 longitud | 29,741 -91.43162 14.58346 -159.5031 -66.99317 sp_jur | 30,196 .0310968 .3527762 0 9 harm_ev | 30,196 18.77739 14.48526 1 99 man_coll | 30,196 1.714565 4.130905 0 99 -------------+--------------------------------------------------------- reljct1 | 30,196 .1015366 .6944696 0 9 reljct2 | 30,196 2.006292 5.231532 1 99 typ_int | 30,196 1.363094 .8561561 1 9 rel_road | 30,196 2.577461 4.723653 1 99 wrk_zone | 30,196 .0325871 .324418 0 8 -------------+--------------------------------------------------------- lgt_cond | 30,196 1.867665 1.146977 1 9 weather1 | 30,196 3.212578 9.296319 1 99 weather2 | 30,196 .0744138 1.10072 0 99 weather | 30,196 3.185058 9.287436 1 99 sch_bus | 30,196 .0040734 .063694 0 1 -------------+--------------------------------------------------------- rail | 0 not_hour | 30,196 48.2957 42.15769 0 99 not_min | 30,196 58.05815 35.99655 0 99 arr_hour | 30,196 49.57723 42.33841 0 99 arr_min | 30,196 58.99639 36.21047 0 99 -------------+--------------------------------------------------------- hosp_hr | 30,196 72.17264 36.63018 0 99 hosp_mn | 30,196 76.61005 30.64598 0 99 cf1 | 30,196 .8667373 4.565041 0 99 cf2 | 30,196 .1251159 2.858241 0 99 cf3 | 30,196 .0751755 2.682129 0 99 -------------+--------------------------------------------------------- fatals | 30,196 1.089052 .3581678 1 11 drunk_dr | 30,196 .3127567 .4845801 0 4 by Jean Roth , jroth@nber.org , 18 Apr 2016