Summary statistics for e4_c1_28 variable in prds_hosp10_yr2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_28 |        781    .3251371    .1437095    .000029    .837582

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