Summary statistics for aabb_acrdtd_y_match_dt variable in posclia2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aabb_acrdt~t |        270    2.00e+07    63819.87   1.99e+07   2.01e+07

by Jean Roth , jroth@nber.org , 26 Jan 2016