Summary statistics for a8_c2_45 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_45 | 3,809 -198606.3 2054112 -6.51e+07 2.49e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018