Summary statistics for a8_c2_41 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_41 | 4,648 -186394.9 2742890 -1.23e+08 2.88e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018