Robert Walters says a power shift in the job market may empower workers to push back if salary negotiations aren't working in ...

Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Many of the ways we in California use data about chronic absenteeism leave educators feeling shamed or blamed. There is a better way to separate the signal from the noise, and learn from the ...

Learn how excluding volatile items in financial and economic data improves long-term trend analysis. Discover examples in corporate earnings and economic indices.

If our stance on sex selection isn’t clear, how can we consider the even thornier issue of parents choosing embryos to optimise their chance of turning out right-handed, blonde, tall or smart children ...

Abstract: Representation on the variation of Earth system phenomenon is important to Earth System Science research. However, owing to the complexity and unnecessary transformation, mathematic models ...

As time goes by you need a savvier approach to training than you did in your 20s, says Harry Bullmore, who gets advice from a ...

When the degree of variation between healthcare organisations or geographical regions is quantified, there is often a failure to account for the role of chance, which can lead to an overestimation of ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Portfolio variance is a measure of the dispersion of returns of a portfolio.

Correspondence to Professor Alex Bottle, School of Public Health, Imperial College London Faculty of Medicine, London, W12 7TA, UK; robert.bottle{at}imperial.ac.uk In healthcare, as in life, the adage ...

A key risk-management tool in the complex world of derivatives margin trading is variation margin. Variation margin is used to fully collateralize derivative contracts and ensure the stability of the ...