Summary statistics for a_c2_54 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_54 | 2,039 100232.3 431849.4 -22602 1.37e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018