Summary statistics for a_c2_38 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_38 | 2,115 258036.3 738335.8 -805004 2.45e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018