Summary statistics for h4_2_hha2_c2_34 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- h4_2~2_c2_34 | 3 .3333333 1.154701 -1 1 by Jean Roth , jroth@nber.org , 24 Aug 2018