Summary statistics for a8_c2_37 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_37 | 2,537 -1501847 1.06e+07 -2.59e+08 2.35e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018