Summary statistics for b_1_c0_39 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_39 | 3,129 2183535 2996744 -433478 3.33e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018