Summary statistics for a_c6_13 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_13 | 2,366 -155417.1 4990080 -2.36e+08 1.09e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018