Summary statistics for a7_3_c11_2 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c11_2 | 136 123407.3 1573386 -1.71e+07 3226646 by Jean Roth , jroth@nber.org , 21 Apr 2018