Correlation coefficients are indicators of the strength of the linear relationship between two different variables, x and y. A linear correlation coefficient that is greater than zero indicates a ...

What Is the Correlation Coefficient? The correlation coefficient is a metric that measures the strength and direction of a relationship between two securities or variables, such as a stock and a ...

Almost every day you can find in media commentary that XYZ is causing stocks to fall (or rise). Such definitive statements are common—but what’s almost always missing is statistical proof. And if you ...

We develop Mardia's concept of a linear-circular correlation coefficient, obtaining distributions of statistics under various hypotheses. Mardia's data on simian natality are discussed in the light of ...

Manoj Singh has 29+ years of experience working for the Central Bank of India. He is the author of Bulls, Bears, and the Tortoise. Diversification naturally appeals to the risk-averse creature inside ...

The correlation matrix (denoted by R) plays an important role in many statistical models. Unfortunately, sampling the correlation matrix in Markov chain Monte Carlo (MCMC) algorithms can be ...

Crypto correlation measures the relationship of market price movements between cryptocurrencies and traditional finance assets. A coefficient number ranging from +1.0 (positive correlation) to -1.0 ...

Editor's note: Read the latest on how the coronavirus is rattling the markets and what investors can do to navigate it. Diversification is a key concept for any investor and means spreading your money ...