Summary statistics for g_c1thr4_38 variable in snf_rollup2540_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_38 | 1,920 1803247 7504203 -814723 1.17e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018