Summary statistics for e3_3_irf_c1_53 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_3_irf_~53 | 3 -35530.67 2714.181 -37553 -32446 by Jean Roth , jroth@nber.org , 24 Aug 2018