Summary statistics for b_1_c27_97 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_97 | 645 1.01e+07 4.33e+07 -43836 5.68e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018