Summary statistics for a7_3_c10_1 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_1 | 128 556725.4 1952246 -5127354 1.13e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018