Summary statistics for a_c6_15 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_15 | 1,889 -685960.4 4247115 -1.12e+08 1.65e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018