Summary statistics for a_c6_1 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_1 | 4,956 -336097.7 6723733 -3.29e+08 1.83e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018