Summary statistics for d_4_ipf_c2_200 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_ipf_c2~0 | 33 503727.3 592573.6 5983 3183838 by Jean Roth , jroth@nber.org , 26 Oct 2018