Summary statistics for b_1_c0_11 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_11 | 6,289 1235995 1763113 -316473 3.83e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018