Background Stroke volume is an established echocardiographic marker but has not been widely studied in patients with ...

Dr. James McCaffrey presents a complete end-to-end demonstration of the kernel ridge regression technique to predict a single ...

A semi-parametric generalization of the proportional hazards regression model is defined, whereby the hazard functions can cross for different values of the covariates. In the two-sample comparison, ...

This paper discusses the problem of choosing a linear model from a set of nested alternatives. Two popular devices for selecting a model in this situation have been model selection criteria and ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The research investigates the substantial impact of ethical leadership on job satisfaction and employee performance in Saudi Arabian organizations during the Vision 2030 transformation period. A ...

A TV advert for Sanex shower gel which showed black skin as cracked and white skin as smooth has been banned for reinforcing a racial stereotype. The ad shows two models with dark skin - one has itchy ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

EPFL researchers have developed Systema, a new tool to evaluate how well AI models work when predicting the effects of genetic perturbations. Subscribe to our newsletter for the latest sci-tech news ...