Summary statistics for a_c6_41 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_41 | 4,042 -541784.4 5028128 -2.17e+08 3.75e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018