Summary statistics for a8_c2_14 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_14 | 3,642 128495.3 4328651 -5.30e+07 6.20e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018