Summary statistics for a_c6_56 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_56 | 1,740 -142560.4 1181647 -2.05e+07 2.01e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018