Summary statistics for a_c6_60 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_60 | 2,137 -655355.1 4067584 -1.19e+08 6.03e+07 by Jean Roth , jroth@nber.org , 26 Oct 2018