Summary statistics for a7_3_c10_2 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_2 | 69 1285252 3562745 -3955280 1.59e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018