Summary statistics for a8_c2_37 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_37 | 5,649 -618383.2 6975751 -1.39e+08 2.81e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018