Summary statistics for g_c1thr4_47 variable in snf_rollup2540_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_47 | 2,991 3319536 1.56e+07 -1.34e+07 3.49e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018