Summary statistics for b_1_c27_40 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_40 | 3,815 1564569 4419725 -594566 1.52e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018