Summary statistics for d_4_hos_c12_71 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_ho~12_71 | 3,435 3052691 5263636 17 1.23e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018