Summary statistics for a8_c2_19 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_19 | 1,456 -241447.6 1246780 -2.15e+07 148792 by Jean Roth , jroth@nber.org , 21 Apr 2018