Summary statistics for e3_3_irf_c1_20 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_3_irf_~20 | 890 27159.21 25893.3 1132 221456 by Jean Roth , jroth@nber.org , 24 Aug 2018