Summary statistics for a_c6_54 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_54 | 906 -118805.4 528362.7 -1.04e+07 7028926 by Jean Roth , jroth@nber.org , 21 Apr 2018