Summary statistics for a_c6_3 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_3 | 4,174 -45548.52 1175653 -1.97e+07 2.57e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018