最小均方误差（MMSE）的算法，包括AHP，因子分析，回归分析，聚类分析，包括最小二乘法、SVM、神经网络、1_k近邻法。- Minimum mean square error (MMSE) algorithm, Including AHP, factor analysis, regression analysis, cluster analysis, Including the least squares method, the SVM, neural networks, 1 _k neighbor method.