Summary statistics for a_c6_49 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_49 | 2,587 -45351.47 406126.8 -5409615 1.24e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018