Summary statistics for g_c1thr4_27 variable in snf_rollup2540_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_27 | 12,088 3549235 1.16e+07 -7187886 4.02e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018