Summary statistics for a_c6_14 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_14 | 2,307 -27156.11 568062.5 -1.04e+07 1.04e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018