Summary statistics for g_c1thr4_30 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_30 | 1,333 529225.2 3566018 -1.89e+07 1.05e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018