Summary statistics for a7_3_c10_1 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_1 | 72 650459.8 1837286 -2560616 1.16e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018