Summary statistics for d_4_irf_c4_200 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_irf_c4~0 | 4 793742.3 507280.5 297876 1347028 by Jean Roth , jroth@nber.org , 23 Aug 2018