Summary statistics for e4_c1_4 variable in prds_hosp10_yr2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     e4_c1_4 |        318    1.075377    25.91341    -189.14     110.68

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