Summary statistics for a_c2_44 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_44 | 6,015 4301761 2.33e+07 -3202835 6.44e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018