Summary statistics for outc2014q2 dataset : by Jean Roth , jroth@nber.org , 6 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 178,391 1.03e+08 4.87e+07 3.31e+07 1.00e+09 caseid | 178,391 1.00e+07 428432.3 3308501 1.06e+07 outc_cod | 0 by Jean Roth , jroth@nber.org , 6 Apr 2017