Summary statistics for e3_2_ipf_c1_4 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_2_ipf_~_4 | 186 8.016613 8.580012 .01 45.26 by Jean Roth , jroth@nber.org , 24 Aug 2018