Summary statistics for a8_c2_39 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_39 | 3,186 -527239.5 3449758 -1.25e+08 9720296 by Jean Roth , jroth@nber.org , 21 Apr 2018