Summary statistics for a_c6_14 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_14 | 2,318 -26803.95 647870.5 -1.07e+07 1.65e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018