Summary statistics for h4_2_hha2_c1_33 variable in hcris2552_10_2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- h4_2~2_c1_33 | 3 -.3333333 1.154701 -1 1 by Jean Roth , jroth@nber.org , 23 Aug 2018