Summary statistics for aabb_acrdtd_y_match_dt variable in posclia2018 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aabb_acrdt~t |        233    2.00e+07    71800.74   1.99e+07   2.02e+07

by Jean Roth , jroth@nber.org , 15 Feb 2019