Summary statistics for a8_c2_38 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_38 | 187 -1057486 6029430 -5.68e+07 1.39e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018