...Dang Luo; Xinqing Qiao; Manman Zhang Purpose To address challenges in forecasting seasonal time series, especially in agricultural drought forecasting, this paper proposes the discrete interaction grey forecasting model with dual perspective coupled seasonal dummy variables (DS-DVGM(1,1,T...

...Dongxing Zhang; Dang Luo Purpose The purpose of this study is to propose an unbiased generalized grey relational closeness evaluation model to improve the accuracy of regional agricultural drought vulnerability decision-making results, as well as to provide theoretical support for reducing...