Summary statistics for a8_c2_44 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_44 | 1,733 -216420.7 1785406 -3.65e+07 1.78e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018