Summary statistics for b_1_c27_27 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_27 | 912 2901228 2302686 -223535 1.99e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018