Summary statistics for s4_hha1_c2_34 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s4_hha1_c2~4 | 23 5835.217 18214.06 36 88016 by Jean Roth , jroth@nber.org , 24 Aug 2018