Summary statistics for a8_c2_31 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_31 | 1,048 351669.8 1705885 -1.04e+07 2.58e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018