Summary statistics for parkwork dataset : by Jean Roth , jroth@nber.org , 22 Oct 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 5 43 0 43 43 st_case | 5 430080.4 102.3245 430007 430255 veh_no | 5 2 0 2 2 pve_forms | 5 1 0 1 1 pnumoccs | 5 0 0 0 0 -------------+--------------------------------------------------------- pday | 5 13.6 7.021396 5 24 pmonth | 5 4.4 3.974921 1 10 phour | 5 7 1.414214 5 8 pminute | 5 28 21.38925 0 45 pharm_ev | 5 18.8 10.73313 14 38 -------------+--------------------------------------------------------- pman_coll | 5 0 0 0 0 ptype | 5 3 .7071068 2 4 phit_run | 5 0 0 0 0 preg_stat | 5 43 0 43 43 powner | 5 5.6 .8944272 4 6 -------------+--------------------------------------------------------- pmake | 5 39.8 19.9925 12 63 pmodel | 5 109 163.2912 31 401 pmak_mod | 5 39909 19863.88 12401 63031 pbodytyp | 5 5.6 4.774935 2 14 pmodyear | 5 1997.6 9.762172 1986 2010 -------------+--------------------------------------------------------- pvin | 0 pvin_1 | 0 pvin_2 | 0 pvin_3 | 0 pvin_4 | 0 -------------+--------------------------------------------------------- pvin_5 | 0 pvin_6 | 0 pvin_7 | 0 pvin_8 | 0 pvin_9 | 0 -------------+--------------------------------------------------------- pvin_10 | 0 pvin_11 | 0 pvin_12 | 0 ptrailer | 5 0 0 0 0 pmcarr_i1 | 5 0 0 0 0 -------------+--------------------------------------------------------- pmcarr_i2 | 0 pmcarr_id | 0 pgvwr | 5 0 0 0 0 pv_config | 5 0 0 0 0 pcargtyp | 5 0 0 0 0 -------------+--------------------------------------------------------- phaz_inv | 5 1 0 1 1 phazplac | 5 0 0 0 0 phaz_id | 5 0 0 0 0 phaz_cno | 5 0 0 0 0 phaz_rel | 5 0 0 0 0 -------------+--------------------------------------------------------- pbus_use | 5 0 0 0 0 psp_use | 5 0 0 0 0 pem_use | 5 0 0 0 0 punderide | 5 0 0 0 0 pimpact1 | 5 7.6 2.607681 6 12 -------------+--------------------------------------------------------- pveh_sev | 5 2.4 .8944272 2 4 ptowed | 5 4.2 1.095445 3 5 pm_harm | 5 12.4 .8944272 12 14 pveh_sc1 | 5 0 0 0 0 pveh_sc2 | 5 0 0 0 0 -------------+--------------------------------------------------------- pfire | 5 0 0 0 0 pdeaths | 5 0 0 0 0 by Jean Roth , jroth@nber.org , 22 Oct 2016