Summary statistics for a_c6_30 variable in hcris2552_10_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_30 | 1,650 -811867.9 2439230 -2.77e+07 1.48e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018