Summary statistics for d_4_ipf_c1_200 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_i~c1_200 | 22 260739.5 207644.5 7950 829554 by Jean Roth , jroth@nber.org , 24 Aug 2018