Summary statistics for a8_c2_3 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_3 | 1,122 -529483.1 1567795 -1.72e+07 7434601 by Jean Roth , jroth@nber.org , 21 Apr 2018