Summary statistics for a_c6_60 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_60 | 2,265 -2372892 8000012 -1.70e+08 3.30e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018