Summary statistics for g2_c2_18 variable in hcris2552_10_2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_18 | 4,633 2.15e+08 3.80e+08 -1.14e+08 5.89e+09 by Jean Roth , jroth@nber.org , 23 Aug 2018