Summary statistics for a_c6_53 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_53 | 2,726 -135375.6 528235.2 -5842888 1.92e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018