Summary statistics for g_c1thr4_47 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_47 | 2,897 2032467 8744321 -1.11e+07 2.21e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018