Summary statistics for e4_c1_47 variable in prds_hosp10_yr2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_47 |        772    .3023918    .1392632    .000044    .981979

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