Summary statistics for e3_2_ipf_c1_31 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_2_ipf_~31 | 1,162 2256226 2092976 873 2.13e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018