Summary statistics for parkwork dataset : by Jean Roth , jroth@nber.org , 22 Oct 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 1,089 27.25803 16.02166 1 56 st_case | 1,089 273356.4 160080.3 10007 560111 veh_no | 1,089 2.716253 1.384434 1 14 pve_forms | 1,089 1.318641 .6876214 1 6 pnumoccs | 1,089 .2350781 .6270701 0 6 -------------+--------------------------------------------------------- pday | 1,089 15.96602 8.76814 1 31 pmonth | 1,089 7.034894 3.322256 1 12 phour | 1,089 12.10927 7.604783 0 99 pminute | 1,089 28.69238 17.55239 0 99 pharm_ev | 1,089 18.72911 12.61116 1 72 -------------+--------------------------------------------------------- pman_coll | 1,089 .9476584 2.169732 0 11 ptype | 1,089 2.439853 .5625493 2 4 phit_run | 1,089 .0018365 .0428353 0 1 preg_stat | 1,089 29.18825 20.46811 0 99 powner | 1,089 5.887052 .6265477 0 6 -------------+--------------------------------------------------------- pmake | 1,089 34.97245 25.80098 2 99 pmodel | 1,089 359.4646 311.8162 1 999 pmak_mod | 1,089 35331.92 25936.02 2403 99999 pbodytyp | 1,089 23.56841 23.2695 1 99 pmodyear | 1,089 2084.331 799.9031 1960 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 | 1,089 .1212121 .5054846 0 9 pmcarr_i1 | 1,089 10.82828 25.56657 0 99 -------------+--------------------------------------------------------- pmcarr_i2 | 0 pmcarr_id | 0 pgvwr | 1,089 .4674013 1.096071 0 9 pv_config | 1,089 .8668503 3.915666 0 99 pcargtyp | 1,089 6.400367 23.48634 0 98 -------------+--------------------------------------------------------- phaz_inv | 1,089 1.000918 .030303 1 2 phazplac | 1,089 .0018365 .0606061 0 2 phaz_id | 1,089 1.123049 37.06061 0 1223 phaz_cno | 1,089 .0027548 .0909091 0 3 phaz_rel | 1,089 .0009183 .030303 0 1 -------------+--------------------------------------------------------- pbus_use | 1,089 .107438 3.015955 0 99 psp_use | 1,089 .1404959 3.054274 0 99 pem_use | 1,089 .0082645 .1739613 0 5 punderide | 1,089 0 0 0 0 pimpact1 | 1,089 18.18365 26.0811 1 99 -------------+--------------------------------------------------------- pveh_sev | 1,089 4.570248 2.157595 0 9 ptowed | 1,089 4.191001 1.750071 2 9 pm_harm | 1,089 12.64646 5.359921 1 99 pveh_sc1 | 1,089 .3030303 4.148219 0 99 pveh_sc2 | 1,089 .0909091 3 0 99 -------------+--------------------------------------------------------- pfire | 1,089 .0045914 .067635 0 1 pdeaths | 1,089 .0275482 .1637496 0 1 by Jean Roth , jroth@nber.org , 22 Oct 2016