Summary statistics for d_2_ipf_c5_53 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_ipf_c~53 | 499 1238.695 4238.36 -6 48125 by Jean Roth , jroth@nber.org , 24 Aug 2018