Summary statistics for b_1_c18_38 variable in snf_rollup2540_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_38 | 116 844620.2 2726768 -268 2.58e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018