Summary statistics for h4_2_hha2_c1_30 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- h4_2~2_c1_30 | 2 -3781.5 1174.504 -4612 -2951 by Jean Roth , jroth@nber.org , 24 Aug 2018