Summary statistics for a7_3_c10_1 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_1 | 12 49199.08 138170.7 -203678 257933 by Jean Roth , jroth@nber.org , 21 Apr 2018