Summary statistics for e3_2_ipf_c1_31 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_2_ipf_~31 | 722 2148820 1994523 3990 1.79e+07 by Jean Roth , jroth@nber.org , 26 Oct 2018