Summary statistics for ziphsahrr2001 dataset :

by Jean Roth , jroth@nber.org , 14 Mar 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     zipcode |          0
      hsanum |     41,587     26788.8     15047.9       1001      53026
     hsacity |          0
    hsastate |          0
      hrrnum |     41,587    258.5334    122.3643          1        457
-------------+---------------------------------------------------------
     hrrcity |          0
    hrrstate |          0
        year |     41,587        2001           0       2001       2001

by Jean Roth , jroth@nber.org , 14 Mar 2018