Summary statistics for b_1_c0_30 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_30 | 679 3303506 6265709 -28828 1.29e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018