Summary statistics for a8_c2_46 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_46 | 3,630 -238200.7 2677276 -7.08e+07 2.31e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018