Summary statistics for s4_hha2_c2_38 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s4_hha2_c2~8 | 9 4513.889 7270.207 18 23253 by Jean Roth , jroth@nber.org , 24 Aug 2018