Summary statistics for a_c6_30 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_30 | 1,651 -811602.6 2438514 -2.77e+07 1.48e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018