Summary statistics for a_c6_61 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_61 | 4,296 -776677.1 2343259 -2.18e+07 3.93e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018