Summary statistics for g_c1thr4_50 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_50 | 12,652 4099224 1.69e+07 -2.62e+07 1.12e+09 by Jean Roth , jroth@nber.org , 17 Feb 2018