Summary statistics for a7_3_c11_1 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c11_1 | 1,725 773268.2 2588259 -1.05e+07 7.23e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018