Summary statistics for reac2017q2 dataset : by Jean Roth , jroth@nber.org , 8 Feb 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 988,337 1.57e+08 1.49e+08 3.89e+07 1.36e+09 caseid | 988,337 1.33e+07 778512.5 3885345 1.38e+07 pt | 0 drug_rec_act | 0 by Jean Roth , jroth@nber.org , 8 Feb 2018