Summary statistics for a8_c2_44 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_44 | 4,023 -350203.2 4060513 -1.49e+08 4.13e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018