Summary statistics for d3_ipf_c2_57 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d3_ipf_c2_57 | 221 91753.72 136051.3 1021 1507411 by Jean Roth , jroth@nber.org , 24 Aug 2018