包括面积、周长、矩形度、伸长度，包括最小二乘法、SVM、神经网络、1_k近邻法,是国外的成品模型，利用贝叶斯原理估计混合logit模型的参数，阐述了负荷预测的应用研究,多元数据分析的主分量分析投影。- Including the area, perimeter, rectangular, elongation, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Foreign model is finished, Bayesian parameter estimation principle mixed logit model, It describes the application of load forecasting, Principal component analysis of multivariate data analysis projection.