Summary statistics for g_c1thr4_18 variable in snf_rollup2540_96_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_18 | 795 323838.8 1063884 -346017 1.44e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018