Summary statistics for a_c6_44 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_44 | 3,808 -1222079 1.08e+07 -3.63e+08 5.71e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018