Summary statistics for e3_3_irf_c1_52 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_3_irf_~52 | 22 -2440.412 11470.88 -53798 11.9 by Jean Roth , jroth@nber.org , 24 Aug 2018