Summary statistics for e4_c1_47 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_47 |        490    .2610795    .1504312    .000011          1

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