Summary statistics for g_c1thr4_28 variable in snf_rollup2540_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_28 | 1,407 2395444 1.31e+07 -3815746 3.61e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018