Abstract: In this paper, the Genetic Algorithm and Particle Swarm Optimization are used to obtain the kernel parameters of the radial basis function of the Support Vector Machine (SVM), and the ...

The optimal algorithm, referred to as the OPTIVAN algorithm, was selected and validated using an external cohort (n=268). We evaluated the performance of 4 ML models: gradient boosting machine, random ...

Abstract: At this stage, China's economic development continues to progress, and the emergence of various emerging industries has caused the stock market to show strong volatility. However, people's ...