Summary statistics for g_c1thr4_52 variable in snf_rollup2540_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_52 | 16 -1.36e+07 2.73e+07 -5.92e+07 5751097 by Jean Roth , jroth@nber.org , 17 Feb 2018