Summary statistics for h4_2_hha3_c2_31 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- h4_2~3_c2_31 | 1 1044848 . 1044848 1044848 by Jean Roth , jroth@nber.org , 24 Aug 2018