Summary statistics for d3_irf_c2_200 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d3_irf_c2~00 | 899 5651027 5914070 7837 5.61e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018