Summary statistics for a_c6_60 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_60 | 2,109 -1778343 6169070 -1.10e+08 3.69e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018