Summary statistics for b_1_c27_97 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_97 | 408 1.72e+07 7.78e+07 -63800 8.43e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018