Summary statistics for e4_c1_28 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_28 |      1,231    .3351149    .1553447    .000348    .888468

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