Summary statistics for a_c6_59 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_59 | 1,309 -371660.1 3793116 -1.14e+08 3153217 by Jean Roth , jroth@nber.org , 6 Sep 2018