Summary statistics for a_c6_98 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_98 | 585 -1118152 8419649 -1.42e+08 4.65e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018