Summary statistics for b_1_c0_9 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_9 | 5,936 432386.4 665793.3 -237059 7660207 by Jean Roth , jroth@nber.org , 21 Apr 2018