Summary statistics for a8_c2_43 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_43 | 4,304 -246303 3250074 -7.40e+07 1.06e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018