Summary statistics for e3_3_irf_c1_13 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_3_irf_~13 | 909 4228215 3523772 26106 3.37e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018