Summary statistics for d1_irf_c1_37 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_irf_c1_37 | 909 4872190 4604234 2 4.19e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018