Summary statistics for b_1_c0_4 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 5,613 3187036 5908756 -377573 1.10e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018