Summary statistics for outc2015q4 dataset : by Jean Roth , jroth@nber.org , 6 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 205,291 1.22e+08 7.46e+07 3.79e+07 1.18e+09 caseid | 205,291 1.15e+07 600259.3 3790999 1.19e+07 outc_cod | 0 by Jean Roth , jroth@nber.org , 6 Apr 2017