Summary statistics for a8_c2_43 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_43 | 1,814 -173742.8 2257593 -4.54e+07 6.17e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018