Summary statistics for b_1_c27_39 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_39 | 3,577 1404974 1934906 -46612 1.71e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018