Summary statistics for b_1_c27_40 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_40 | 3,717 1287312 3695743 -281408 1.06e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018