In this paper, the characteristics of heteroscedasticity Gaussian noise are introduced into the model TSVR, and the twin support vector regression model based on heteroscedasticity Gaussian noise ...

Hang Seng Index | historical charts for HSI to see performance over time with comparisons to other stock exchanges.

Correlation coefficients can mean a positive, negative, or no relationship between two variables. Use correlation coefficients to help pick securities for your portfolio.

Learn about and revise ratio, proportion and rates of change with GCSE Bitesize AQA Maths.

Learn and revise how to plot coordinates and create straight line graphs to show the relationship between two variables with GCSE Bitesize OCR Maths.

During the last few years, several comparative studies for regression analysis and neural networks have been published. Our paper contributes to this stream of research by comparing the performance of ...

In the base case, we allowed for a 4-week flexibility period to account for non-problematic delays; for example, patients could request ... follows the conceptual model highlighted above in Equation 1 ...