Summary statistics for b_1_c0_19 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_19 | 942 1735678 7203900 -6604879 1.09e+08 by Jean Roth , jroth@nber.org , 5 Sep 2018