Summary statistics for a_c6_90 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_90 | 2,546 -4195444 1.37e+07 -2.48e+08 1.62e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018