Summary statistics for a_c6_3 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_3 | 4,866 -180807.3 2423566 -3.73e+07 5.58e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018