Summary statistics for e_b_ipf_c1_4 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_b_ipf_c1_4 | 29 7084.793 26367.52 8 143939 by Jean Roth , jroth@nber.org , 24 Aug 2018