Summary statistics for g_c1thr4_47 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_47 | 2,815 3343228 1.39e+07 -9960049 3.13e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018