Summary statistics for e3_2_ipf_c1_20 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_2_ipf_~20 | 1,149 2195613 1999223 -344 1.82e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018