Summary statistics for a7_3_c10_4 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_4 | 2,201 404038.5 762467.6 -3755173 1.13e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018