Summary statistics for a_c6_5 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_5 | 6,151 -4066415 2.09e+07 -4.44e+08 1.97e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018