Summary statistics for parkwork dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 1,064 26.60902 16.44785 1 56 st_case | 1,064 266724.6 164354.5 10141 560062 veh_no | 1,064 2.654135 1.075128 1 9 pve_forms | 1,064 1.262218 .5257626 1 4 pnumoccs | 1,064 .1851504 .5676488 0 8 -------------+--------------------------------------------------------- pday | 1,064 15.72838 9.056762 1 31 pmonth | 1,064 6.463346 3.300641 1 12 phour | 1,064 11.39662 7.991448 0 99 pminute | 1,064 28.73966 17.14629 0 99 pharm_ev | 1,064 19.14756 12.3951 1 59 -------------+--------------------------------------------------------- pman_coll | 1,064 .9323308 2.153806 0 11 ptype | 1,064 2.523496 .5515842 2 4 phit_run | 1,064 0 0 0 0 preg_stat | 1,064 29.44643 21.75704 0 99 powner | 1,064 5.892857 .680176 0 6 -------------+--------------------------------------------------------- pmake | 1,064 33.64756 25.94579 2 99 pmodel | 1,064 355.2406 312.36 1 999 pmak_mod | 1,064 34002.8 26083.54 2403 99999 pbodytyp | 1,064 23.23684 23.95418 1 99 pmodyear | 1,064 2173.234 1163.797 1953 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 pvintype | 0 pvinmake | 0 -------------+--------------------------------------------------------- pvina_mod | 0 pvin_bt | 0 pvinmodyr | 1,035 38.29469 43.61912 0 99 pvin_lngt | 1,043 17 0 17 17 pvin_wgt | 572 3245.937 984.1216 0 5985 -------------+--------------------------------------------------------- pwgtcd_tr | 422 3.56872 2.817281 1 8 pwhlbs_lg | 993 300.1289 691.5038 0 3000 pwhlbs_sh | 993 1053.498 373.8708 0 1800 pser_tr | 0 pfuecode | 0 -------------+--------------------------------------------------------- pmcycl_ds | 9 1271.778 429.6038 362 1584 ptrailer | 1,064 .1447368 .7448225 0 9 pmcarr_i1 | 1,064 10.13252 25.34667 0 99 pmcarr_i2 | 0 pmcarr_id | 0 -------------+--------------------------------------------------------- pgvwr | 1,064 .4492481 1.153855 0 9 pv_config | 1,064 1.209586 7.624431 0 99 pcargtyp | 1,064 4.104323 18.68659 0 99 phaz_inv | 1,064 1.00282 .0530494 1 2 phazplac | 1,064 .0056391 .1060989 0 2 -------------+--------------------------------------------------------- phaz_id | 1,064 12.85338 292.3303 0 8888 phaz_cno | 1,064 .0178571 .3585545 0 8 phaz_rel | 1,064 .0028195 .0530494 0 1 pbus_use | 1,064 .1917293 4.293872 0 99 psp_use | 1,064 .7058271 7.975912 0 99 -------------+--------------------------------------------------------- pem_use | 1,064 .049812 .6273479 0 9 punderide | 1,064 0 0 0 0 pimpact1 | 1,064 17.20301 24.51651 1 99 pimpact2 | 1,064 18.72838 26.88274 0 99 pveh_sev | 1,064 4.387218 2.142274 0 9 -------------+--------------------------------------------------------- ptowed | 1,064 3.533835 2.388586 1 9 pm_harm | 1,064 15.07613 11.43392 2 99 pveh_sc1 | 1,064 .4990602 5.00705 0 99 pveh_sc2 | 1,064 .0930451 3.03504 0 99 pfire | 1,064 .0169173 .1290223 0 1 -------------+--------------------------------------------------------- pdeaths | 1,064 .0291353 .1737658 0 2 by Jean Roth , jroth@nber.org , 18 Apr 2016