Summary statistics for a_c6_59 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_59 | 1,277 -265373.8 1395739 -2.71e+07 2992660 by Jean Roth , jroth@nber.org , 7 Sep 2018