Summary statistics for a_c6_90 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_90 | 2,568 -5187944 1.76e+07 -2.92e+08 2.32e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018