Summary statistics for d3_ipf_c3_91 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d3_ipf_c3_91 | 1,087 50003.44 68087.29 11 970619 by Jean Roth , jroth@nber.org , 24 Aug 2018