Summary statistics for outc2017q1 dataset : by Jean Roth , jroth@nber.org , 18 Sep 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 242,686 1.40e+08 9.47e+07 3.88e+07 1.33e+09 caseid | 242,686 1.30e+07 647439.5 3880460 1.34e+07 outc_cod | 0 by Jean Roth , jroth@nber.org , 18 Sep 2017