Summary statistics for g_c1thr4_2 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_2 | 1,109 1424205 4960102 -1284836 9.92e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018