Summary statistics for a8_c2_3 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_3 | 1,715 -275107.7 808082.9 -1.30e+07 4735341 by Jean Roth , jroth@nber.org , 10 Sep 2018