Summary statistics for a_c6_1 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_1 | 1,234 -641235.8 3689426 -1.08e+08 7372460 by Jean Roth , jroth@nber.org , 21 Apr 2018