Summary statistics for a_c6_41 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_41 | 3,926 -120009.5 661779.3 -1.17e+07 2.02e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018