In the era of the development in network economy, e-commerce sites' operational efficiency is in relation to the development of enterprises. Thus, how to evaluate e-commerce sites have become a hot topic. Due to the evaluation index of e-commerce sites have the characteristics of high dimension...

Using the principal component analysis (PCA) and support vector regression machine (SVR) in predicting the credit rating of online stores. Collects 14 variables, including 982 observations of dress shops in Taobao. Firstly, the authors use the method of PCA to filter and reduce the dimension of...