Summary statistics for b_1_c26_89 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c26_89 | 4 2.21e+07 4.06e+07 633 8.29e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018