Summary statistics for a_c6_50 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_50 | 2,623 -26049.54 624365.6 -6558746 1.28e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018