Summary statistics for parkwork dataset :

by Jean Roth , jroth@nber.org , 18 Apr 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |          1          43           .         43         43
     st_case |          1      430313           .     430313     430313
      veh_no |          1           2           .          2          2
   pve_forms |          1           1           .          1          1
    pnumoccs |          1           0           .          0          0
-------------+---------------------------------------------------------
        pday |          1          20           .         20         20
      pmonth |          1          12           .         12         12
       phour |          1          12           .         12         12
     pminute |          1          10           .         10         10
    pharm_ev |          1          14           .         14         14
-------------+---------------------------------------------------------
   pman_coll |          1           0           .          0          0
       ptype |          1           3           .          3          3
    phit_run |          1           0           .          0          0
   preg_stat |          1          43           .         43         43
      powner |          1           6           .          6          6
-------------+---------------------------------------------------------
       pmake |          1          12           .         12         12
      pmodel |          1          32           .         32         32
    pmak_mod |          1       12032           .      12032      12032
    pbodytyp |          1           3           .          3          3
    pmodyear |          1        2011           .       2011       2011
-------------+---------------------------------------------------------
        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           9           .          9          9
   pvin_lngt |          1          17           .         17         17
    pvin_wgt |          0
-------------+---------------------------------------------------------
   pwgtcd_tr |          0
   pwhlbs_lg |          0
   pwhlbs_sh |          0
     pser_tr |          0
    pfuecode |          0
-------------+---------------------------------------------------------
   pmcycl_ds |          0
    ptrailer |          1           0           .          0          0
   pmcarr_i1 |          1           0           .          0          0
   pmcarr_i2 |          0
   pmcarr_id |          0
-------------+---------------------------------------------------------
       pgvwr |          1           0           .          0          0
   pv_config |          1           0           .          0          0
    pcargtyp |          1           0           .          0          0
    phaz_inv |          1           1           .          1          1
    phazplac |          1           0           .          0          0
-------------+---------------------------------------------------------
     phaz_id |          1           0           .          0          0
    phaz_cno |          1           0           .          0          0
    phaz_rel |          1           0           .          0          0
    pbus_use |          1           0           .          0          0
     psp_use |          1           0           .          0          0
-------------+---------------------------------------------------------
     pem_use |          1           0           .          0          0
   punderide |          1           0           .          0          0
    pimpact1 |          1           6           .          6          6
    pimpact2 |          1           6           .          6          6
    pveh_sev |          1           4           .          4          4
-------------+---------------------------------------------------------
      ptowed |          1           3           .          3          3
     pm_harm |          1          14           .         14         14
    pveh_sc1 |          1           0           .          0          0
    pveh_sc2 |          1           0           .          0          0
       pfire |          1           0           .          0          0
-------------+---------------------------------------------------------
     pdeaths |          1           0           .          0          0

by Jean Roth , jroth@nber.org , 18 Apr 2016