Summary statistics for a8_c2_32 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_32 | 842 484912.9 2454585 -1.70e+07 3.44e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018