Summary statistics for a8_c2_37 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_37 | 4,423 -905346.4 8439219 -2.79e+08 2.56e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018