Summary statistics for a8_c2_39 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_39 | 5,015 -427048.2 7032340 -4.55e+08 8.82e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018