Summary statistics for pbtype dataset : by Jean Roth , jroth@nber.org , 22 Oct 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 6,814 25.44629 16.13434 1 56 st_case | 6,814 255269.7 161223 10008 560123 veh_no | 6,814 0 0 0 0 per_no | 6,814 1.114617 .5218665 1 11 pbptype | 6,814 5.198709 .5537257 5 8 -------------+--------------------------------------------------------- pbage | 6,814 55.69959 99.45976 0 999 pbsex | 6,814 1.300704 .5595149 1 9 pbcwalk | 6,814 .3078955 1.186303 0 9 pbswalk | 6,814 .6291459 1.648285 0 9 pbszone | 6,814 .2528618 1.471452 0 9 -------------+--------------------------------------------------------- pedctype | 6,814 535.1177 287.5846 0 910 bikectype | 6,814 34.22821 113.3891 0 980 pedloc | 6,814 3.157176 1.682778 1 9 bikeloc | 6,814 6.426181 1.56649 1 9 pedpos | 6,814 12.47799 24.43554 1 77 -------------+--------------------------------------------------------- bikepos | 6,814 6.306134 1.884583 1 9 peddir | 6,814 7.073085 2.048137 1 9 bikedir | 6,814 6.381127 1.813611 1 9 motdir | 6,814 6.651893 2.321581 1 9 motman | 6,814 6.702084 2.19981 1 9 -------------+--------------------------------------------------------- pedleg | 6,814 6.649985 2.522938 1 9 pedsnr | 0 pedcgp | 6,814 557.9586 326.8775 0 990 bikecgp | 6,814 34.39287 114.9246 0 990 by Jean Roth , jroth@nber.org , 22 Oct 2016