Summary statistics for a_c2_51 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_51 | 2,849 86275.43 800334.9 -478759 4.20e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018