Summary statistics for e3_3_irf_c1_9 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_3_irf_~_9 | 42 2.643333 1.808404 .01 9.78 by Jean Roth , jroth@nber.org , 24 Aug 2018