Summary statistics for a_c6_5 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_5 | 3,841 14870.22 2327808 -3.05e+07 4.27e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018