Summary statistics for b_1_c0_30 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_30 | 656 2804984 3129952 -8620 2.23e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018