Summary statistics for parkwork dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |      1,133    26.67696    16.54888          1         56
     st_case |      1,133    267521.3      165338      10076     560103
      veh_no |      1,133    2.759929    1.380294          1         12
   pve_forms |      1,133    1.427184    1.333598          1         18
    pnumoccs |      1,133    .2541924     .650355          0          5
-------------+---------------------------------------------------------
        pday |      1,133    15.72198    8.737102          1         31
      pmonth |      1,133     6.61165    3.348319          1         12
       phour |      1,133    10.94175    8.446054          0         99
     pminute |      1,133    29.48808    17.37721          0         99
    pharm_ev |      1,133    18.23389    11.91997          1         73
-------------+---------------------------------------------------------
   pman_coll |      1,133    1.213592    5.463524          0         99
       ptype |      1,133    2.416593    .5410434          2          4
    phit_run |      1,133    .0044131    .0663134          0          1
   preg_stat |      1,133    28.94528    22.34354          0         99
      powner |      1,133    5.926743    .4782548          0          6
-------------+---------------------------------------------------------
       pmake |      1,133    36.37335    27.15671          2         99
      pmodel |      1,133    374.6381    322.1908          1        999
    pmak_mod |      1,133    36747.98     27322.5       2001      99999
    pbodytyp |      1,133    24.92763     25.2356          1         99
    pmodyear |      1,133    2159.936    1103.618       1965       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 |      1,133    .1465137    .5380231          0          9
   pmcarr_i1 |      1,133    11.12533    25.16957          0         99
-------------+---------------------------------------------------------
   pmcarr_i2 |          0
   pmcarr_id |          0
       pgvwr |      1,133    .5110327    1.128303          0          9
   pv_config |      1,133    1.404237    7.566015          0         99
    pcargtyp |      1,133    5.579876    21.88429          0         99
-------------+---------------------------------------------------------
    phaz_inv |      1,133           1           0          1          1
    phazplac |      1,133           0           0          0          0
     phaz_id |      1,133           0           0          0          0
    phaz_cno |      1,133           0           0          0          0
    phaz_rel |      1,133           0           0          0          0
-------------+---------------------------------------------------------
    pbus_use |      1,133     .011474    .2356309          0          6
     psp_use |      1,133    .2206531     4.20193          0         99
     pem_use |      1,133    .0105914    .2519761          0          8
   punderide |      1,133           0           0          0          0
    pimpact1 |      1,133    18.92145    27.07704          1         99
-------------+---------------------------------------------------------
    pveh_sev |      1,133    4.837599    2.224208          0          9
      ptowed |      1,133    3.984113    1.747718          2          9
     pm_harm |      1,133    13.10327    7.835258          1         99
    pveh_sc1 |      1,133     .733451    5.357494          0         42
    pveh_sc2 |      1,133           0           0          0          0
-------------+---------------------------------------------------------
       pfire |      1,133    .0088261    .0935732          0          1
     pdeaths |      1,133    .0300088     .185565          0          2

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