Summary statistics for a7_3_c10_2 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_2 | 41 984307.4 2979204 -5386620 1.47e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018