Summary statistics for s4_hha1_c3_33 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s4_hha1_c3~3 | 451 220.0798 272.8128 3 1939 by Jean Roth , jroth@nber.org , 24 Aug 2018