Summary statistics for d_4_irf_c3_200 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_irf_c3~0 | 338 807800 1205639 152 1.03e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018