Summary statistics for d1_ipf_c1_41 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_ipf_c1_41 | 1,161 2352056 1983757 129067 2.16e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018