Summary statistics for b_1_c0_9 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_9 | 6,039 290389.6 463913.1 -202332 6332970 by Jean Roth , jroth@nber.org , 5 Sep 2018