Summary statistics for g_c1thr4_19 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_19 | 5,198 648442 1605264 -115337 3.90e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018