Summary statistics for g_c1thr4_28 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_28 | 1,676 4802901 2.09e+07 -8048741 6.64e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018