Summary statistics for jcaho_acrdtd_y_match_dt variable in posclia2017 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- jcaho_acrd~t | 2,378 2.00e+07 78018.36 2.00e+07 2.02e+07 by Jean Roth , jroth@nber.org , 9 Jan 2018