Summary statistics for jcaho_acrdtd_y_match_dt variable in posclia2015 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- jcaho_acrd~t | 2,453 2.00e+07 70309.58 2.00e+07 2.02e+07 by Jean Roth , jroth@nber.org , 26 Jan 2016