Summary statistics for a_c6_49 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_49 | 2,722 -49194.09 324143.4 -3908014 1.05e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018