Summary statistics for a_c2_51 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_51 | 2,659 101494.2 599852.9 -281218 2.96e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018