Summary statistics for d3_ipf_c2_71 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d3_ipf_c2_71 | 1,041 44000.09 146304.4 4 3460156 by Jean Roth , jroth@nber.org , 24 Aug 2018