Summary statistics for d_4_ipf_c2_200 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_ipf_c2~0 | 70 391449.6 402782.1 3296 1942354 by Jean Roth , jroth@nber.org , 24 Aug 2018