Summary statistics for a8_c2_44 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_44 | 3,957 -249969.6 3932305 -1.61e+08 3.01e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018