Summary statistics for b_1_c27_37 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_37 | 5,263 1.62e+07 3.69e+07 -1.71e+07 7.03e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018