Summary statistics for a8_c2_44 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_44 | 3,994 -347923.3 4210005 -1.52e+08 2.20e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018