Summary statistics for e3_2_ipf_c1_9 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_2_ipf_~_9 | 410 23.42432 30.27945 .035616 300.7699 by Jean Roth , jroth@nber.org , 24 Aug 2018