Summary statistics for a_c6_98 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_98 | 546 -762133 6145717 -1.06e+08 4.39e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018