\[z(s_{j})=m(s_{j})+e(s_{j})\] \(=f_{\text{SVR}}(x_{k}(s_{j}))+\sum_{i=1}^{I}{\lambda_{i}(s_{j})\bullet\left[Z\left(S_{i}\right)-f_{\text{SVR}}\left(X_{k}\left(S_{i}\right)\right)\right]}\).
(7)