Summary statistics for g_c1thr4_3 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_3 | 618 318281.9 1220793 -1443221 2.30e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018