Summary statistics for s4_hha1_c1_34 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s4_hha1_c1~4 | 47 56181.4 105744.2 21 578613 by Jean Roth , jroth@nber.org , 24 Aug 2018