Summary statistics for a8_c2_44 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_44 | 2,578 -244793.5 3915408 -1.35e+08 1.02e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018