Summary statistics for e4_c1_4 variable in prds_hosp10_yr2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     e4_c1_4 |        219    2.500913    31.93534    -174.58     309.24

by Jean Roth , jroth@nber.org , 26 Oct 2018