Summary statistics for b_1_c27_39 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_39 | 3,139 3552400 4837239 -81012 6.26e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018