Summary statistics for a_c6_19 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_19 | 476 -5859353 1.79e+07 -1.32e+08 1.78e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018