Summary statistics for e4_c1_47 variable in hcris2552_10_2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_47 |        491    .2605211    .1507135    .000011          1

by Jean Roth , jroth@nber.org , 23 Aug 2018