Summary statistics for b_1_c0_4 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 5,499 2530586 4541591 -501813 7.67e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018