Summary statistics for b_1_c27_63 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_63 | 852 5482547 2.66e+07 -312846 6.39e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018