Summary statistics for d_4_ipf_c4_200 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_ipf_c4~0 | 2 675894 871534.6 59626 1292162 by Jean Roth , jroth@nber.org , 24 Aug 2018