Summary statistics for e4_c1_45 variable in hcris2552_10_2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e4_c1_45 | 1,296 9.42e+07 1.03e+08 1792 9.31e+08 by Jean Roth , jroth@nber.org , 23 Aug 2018