Summary statistics for b_1_c0_15 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_15 | 4,181 1172835 4106889 -963174 9.49e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018