Summary statistics for parkwork dataset :

by Jean Roth , jroth@nber.org , 22 Oct 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |      1,136     25.8213    16.26918          1         56
     st_case |      1,136    258923.3    162589.7      10046     560062
      veh_no |      1,136    2.746479    1.348187          1         12
   pve_forms |      1,136    1.296655    .6119423          1          6
    pnumoccs |      1,136    .3204225    2.995939          0         99
-------------+---------------------------------------------------------
        pday |      1,136     15.5493    8.841793          1         31
      pmonth |      1,136    6.637324     3.39507          1         12
       phour |      1,136    12.03609     8.51428          0         99
     pminute |      1,136    28.08011    18.08369          0         99
    pharm_ev |      1,136    18.42342    12.09439          1         59
-------------+---------------------------------------------------------
   pman_coll |      1,136    1.229754    6.799782          0         99
       ptype |      1,136    2.433979    .5367945          2          4
    phit_run |      1,136    .0035211    .0592606          0          1
   preg_stat |      1,136    30.21567    23.42983          0         99
      powner |      1,136    5.933979    .5521671          0          9
-------------+---------------------------------------------------------
       pmake |      1,136    34.89877    27.06392          2         99
      pmodel |      1,136    359.4243    325.0178          1        999
    pmak_mod |      1,136    35258.19     27216.7       2403      99999
    pbodytyp |      1,136    23.74736    25.45571          1         99
    pmodyear |      1,136    2242.375     1363.07       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 |      1,136    .1320423    .6717678          0          9
   pmcarr_i1 |      1,136    9.704225    24.23273          0         99
-------------+---------------------------------------------------------
   pmcarr_i2 |          0
   pmcarr_id |          0
       pgvwr |      1,136    .4507042    1.145472          0          9
   pv_config |      1,136    1.011444    6.224922          0         99
    pcargtyp |      1,136    4.507923    19.73632          0         99
-------------+---------------------------------------------------------
    phaz_inv |      1,136    1.003521    .0592606          1          2
    phazplac |      1,136    .0176056    .3457073          0          8
     phaz_id |      1,136    25.22623    460.0697          0       8888
    phaz_cno |      1,136    .2350352       4.519          0         88
    phaz_rel |      1,136     .022007    .4117758          0          8
-------------+---------------------------------------------------------
    pbus_use |      1,136    .0950704    2.914907          0         98
     psp_use |      1,136    .0466549    .5041915          0          8
     pem_use |      1,136    .0484155    .5603155          0          9
   punderide |      1,136    .0079225    .2670259          0          9
    pimpact1 |      1,136    17.04754     25.3678          1         99
-------------+---------------------------------------------------------
    pveh_sev |      1,136    4.573063    2.146596          0          9
      ptowed |      1,136    4.118838    1.697616          2          9
     pm_harm |      1,136    13.22975    7.773956          1         99
    pveh_sc1 |      1,136    .8926056    7.409774          0         99
    pveh_sc2 |      1,136    .3485915      5.8668          0         99
-------------+---------------------------------------------------------
       pfire |      1,136    .0114437     .106408          0          1
     pdeaths |      1,136     .028169     .185602          0          2

by Jean Roth , jroth@nber.org , 22 Oct 2016