Summary statistics for a_c2_48 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_48 | 1,078 205024.3 600565.8 -6946 1.49e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018