Summary statistics for s3_1_c1_02500 variable in hcris2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c1_02~0 | 6,310 178.7414 286.7048 1 18276 by Jean Roth , jroth@nber.org , 6 Sep 2018