Summary statistics for a_c6_40 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_40 | 2,189 -977014.5 2232627 -4.04e+07 1.20e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018