Summary statistics for b_1_c27_38 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_38 | 2,165 2275184 2876719 -1838 4.27e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018