Summary statistics for a8_c2_39 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_39 | 3,788 -244860.9 2325433 -5.95e+07 5.69e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018