Summary statistics for a_c6_3 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_3 | 4,591 -49456.91 1642818 -1.38e+07 3.76e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018