Summary statistics for a_c6_66 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_66 | 2,633 -67105.59 574087.7 -1.11e+07 1.88e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018