Summary statistics for d_2_ipf_c5_54 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_ipf_c~54 | 1,143 1952.145 3694.158 4 77338 by Jean Roth , jroth@nber.org , 24 Aug 2018