Summary statistics for a8_c2_46 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_46 | 3,678 -196865.8 4287887 -6.47e+07 2.11e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018