Summary statistics for b_1_c0_18 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_18 | 3,746 299574.1 577332.9 -8800 1.69e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018