Summary statistics for e4_c1_4 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     e4_c1_4 |        327    .6099083    26.62495    -262.51       84.9

by Jean Roth , jroth@nber.org , 24 Aug 2018