Summary statistics for a8_c2_45 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_45 | 1,639 -218304 1507675 -2.66e+07 1.84e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018