The quantitative value of R-square and the residual plots are employed as the criterions. 相关系数值和残差分布图被用为选择之标准。
A causal residual generator is obtained by making use of the ununiqueness of the optimal solutions to the minimization problem. 然后，利用该最小化问题解不唯一的特点，求得满足因果关系的最优残差产生器。
