Summary statistics for outc2016q3 dataset : by Jean Roth , jroth@nber.org , 6 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 221,713 1.32e+08 8.34e+07 3.76e+07 1.26e+09 caseid | 221,713 1.24e+07 671225 3758721 1.28e+07 outc_cod | 0 by Jean Roth , jroth@nber.org , 6 Apr 2017