Summary statistics for a8_c2_19 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_19 | 1,349 -181137 874851.3 -2.06e+07 283427 by Jean Roth , jroth@nber.org , 21 Apr 2018