Summary statistics for outc2018q2 dataset : by Jean Roth , jroth@nber.org , 8 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 331,947 1.61e+08 1.27e+08 3.62e+07 1.49e+09 caseid | 331,947 1.46e+07 771969.6 3617572 1.51e+07 outc_cod | 0 by Jean Roth , jroth@nber.org , 8 Sep 2018