Summary statistics for g_c1thr4_3 variable in snf_rollup2540_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_3 | 475 576118.5 1570300 -137947 1.57e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018