Summary statistics for a_c2_38 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_38 | 2,177 275439.3 847953.6 -970687 3.02e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018