Summary statistics for b_1_c21_21 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c21_21 | 963 9052200 1.54e+07 -770969 1.33e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018