Summary statistics for aabb_acrdtd_y_match_dt variable in posclia2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aabb_acrdt~t |        245    2.00e+07    71753.15   1.99e+07   2.02e+07

by Jean Roth , jroth@nber.org , 9 Jan 2018