Summary statistics for a_c6_98 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_98 | 580 -601494.3 5405287 -8.40e+07 4.51e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018