Summary statistics for a8_c2_39 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_39 | 5,083 -347044.9 2812315 -5.33e+07 7.58e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018