Summary statistics for b_1_c0_7 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_7 | 2,549 1455576 2430365 -197663 3.70e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018