Summary statistics for s4_hha1_c2_34 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s4_hha1_c2~4 | 32 9551.719 30893.45 3 175804 by Jean Roth , jroth@nber.org , 24 Aug 2018