Summary statistics for d_4_irf_c2_200 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_irf_c2~0 | 79 350183.5 328064.8 2762 1683504 by Jean Roth , jroth@nber.org , 24 Aug 2018