Summary statistics for g_c1thr4_52 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_52 | 93 1416162 3177043 -321639 1.78e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018