Summary statistics for a7_3_c10_1 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_1 | 97 735622.7 2162943 -5190315 1.19e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018