Summary statistics for parkwork dataset : by Jean Roth , jroth@nber.org , 22 Oct 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 1,146 25.62391 16.27501 1 56 st_case | 1,146 256955.7 162633.5 10046 560062 veh_no | 1,146 2.753927 1.348008 1 12 pve_forms | 1,146 1.295812 .6104762 1 6 pnumoccs | 1,146 .3193717 2.983961 0 99 -------------+--------------------------------------------------------- pday | 1,146 15.49651 8.810597 1 31 pmonth | 1,146 6.65445 3.390349 1 12 phour | 1,146 12.04887 8.533687 0 99 pminute | 1,146 28.20681 18.05087 0 99 pharm_ev | 1,146 18.38831 12.07213 1 59 -------------+--------------------------------------------------------- pman_coll | 1,146 1.224258 6.772367 0 99 ptype | 1,146 2.431065 .5360816 2 4 phit_run | 1,146 .0034904 .0590022 0 1 preg_stat | 1,146 29.84468 23.25106 0 99 powner | 1,146 5.929319 .5346303 0 6 -------------+--------------------------------------------------------- pmake | 1,146 34.73037 26.9425 2 99 pmodel | 1,146 358.3307 323.6892 1 999 pmak_mod | 1,146 35088.7 27091.85 2403 99999 pbodytyp | 1,146 23.62478 25.27499 1 99 pmodyear | 1,146 2233.301 1337.782 1961 9999 -------------+--------------------------------------------------------- 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 | 1,146 .1317627 .6694219 0 9 pmcarr_i1 | 1,146 9.573298 24.01027 0 99 -------------+--------------------------------------------------------- pmcarr_i2 | 0 pmcarr_id | 0 pgvwr | 1,146 .4415358 1.120115 0 9 pv_config | 1,146 .9179756 5.480118 0 99 pcargtyp | 1,146 4.463351 19.65019 0 99 -------------+--------------------------------------------------------- phaz_inv | 1,146 1.00349 .0590022 1 2 phazplac | 1,146 .017452 .3441983 0 8 phaz_id | 1,146 25.00611 458.0623 0 8888 phaz_cno | 1,146 .2329843 4.499276 0 88 phaz_rel | 1,146 .021815 .4099788 0 8 -------------+--------------------------------------------------------- pbus_use | 1,146 .0942408 2.902163 0 98 psp_use | 1,146 .0462478 .5020037 0 8 pem_use | 1,146 .047993 .5578815 0 9 punderide | 1,146 0 0 0 0 pimpact1 | 1,146 16.77051 24.92533 1 99 -------------+--------------------------------------------------------- pveh_sev | 1,146 4.592496 2.141847 0 9 ptowed | 1,146 4.106457 1.698962 2 9 pm_harm | 1,146 13.22077 7.747497 1 99 pveh_sc1 | 1,146 .7984293 6.783646 0 99 pveh_sc2 | 1,146 .2591623 5.060855 0 99 -------------+--------------------------------------------------------- pfire | 1,146 .0122164 .1098986 0 1 pdeaths | 1,146 .0279232 .1848083 0 2 by Jean Roth , jroth@nber.org , 22 Oct 2016