Summary statistics for a_c2_37 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_37 | 5,225 1.01e+07 2.47e+07 -51514 3.94e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018