One of the most difficult challenges in payment card fraud detection is extreme class imbalance. Fraudulent transactions ...

Discover how probability distribution methods can help predict stock market returns and improve investment decisions. Learn ...

Background Annually, 4% of the global population undergoes non-cardiac surgery, with 30% of those patients having at least ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...