Summary statistics for a_c2_39 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_39 | 2,560 719271.1 1211924 -9469206 1.38e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018