Summary statistics for b_1_c21_21 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c21_21 | 1,032 1.02e+07 1.78e+07 -2984436 1.51e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018