Summary statistics for g2_c1_10 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c1_10 | 3,491 5104916 8969863 -4341982 1.98e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018