Summary statistics for b_1_c0_4 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 5,614 2774220 5074792 -794555 9.23e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018