Why write SQL queries when you can get an LLM to write the code for you? Query NFL data using querychat, a new chatbot ...

Explore the importance of robust statistics like median and MAD in data analysis, ensuring accurate insights despite outliers ...

Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.

Learn about the components of the capital asset pricing model (CAPM), and discover how to calculate a company's cost of equity financing with this formula.

China’s leading artificial intelligence startup DeepSeek Ltd., which took the industry by storm earlier this year, was reportedly forced to delay the release of its upcoming R2 model after ...

DeepSeek has also deleted references to the R1 model from its chatbot’s “deep think” feature, raising questions about the progress of its much-anticipated next-generation R2 model.

This paper surveys the most important developments in multivariate ARCH-type modelling. It reviews the model specifications and inference methods, and identifies likely directions of future research ...