Summary statistics for jcaho_acrdtd_y_match_dt variable in posclia2018 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- jcaho_acrd~t | 2,294 2.00e+07 81208.99 2.00e+07 2.02e+07 by Jean Roth , jroth@nber.org , 15 Feb 2019