Summary statistics for b_1_c18_62 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c18_62 | 505 333053.1 1423253 -12744 2.22e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018