Summary statistics for a7_3_c6_1 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c6_1 | 1,070 97521.79 166605.2 -270981 1488567 by Jean Roth , jroth@nber.org , 5 Sep 2018