Summary statistics for d_2_ipf_c5_91 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_ipf_c~91 | 1,107 3688.987 4759.626 1 47731 by Jean Roth , jroth@nber.org , 24 Aug 2018