Summary statistics for e3_3_irf_c1_7 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_3_irf_~_7 | 43 2.956512 2.217424 .01 10.26 by Jean Roth , jroth@nber.org , 24 Aug 2018