Summary statistics for a_c6_60 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_60 | 2,048 -1502178 5323696 -1.07e+08 3.77e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018