Summary statistics for g_c1thr4_20 variable in snf_rollup2540_96_1995 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_20 | 498 446502 1874698 -2285897 3.07e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018