For example, when two stocks move in the same direction, the correlation coefficient is positive. Conversely, when two stocks move in opposite directions, the correlation coefficient is negative.

Predicting cognitive abilities from brain imaging has long been a central goal in cognitive neuroscience. While machine ...

Learn how crypto correlation helps investors manage portfolio risk. Understand market relationships, measure correlation ...

You may have already heard this surprising statistic that might seem puzzling to the uninitiated: every summer, ice cream ...

Objective To assess the association between educational level and cardiovascular age acceleration metric derived from ECG, and to determine whether this association is mediated by established ...

Antiretroviral therapy (ART) initiated in the acute phase of HIV infection (AHI) results in a smaller viral reservoir. However, the impact of early HIV-specific T-cell responses on long-term reservoir ...

A novel assay will allow clinicians to analyze neonatal immune status in real-time using a single drop of blood, according to a recently published study.

The Pearson correlation coefficient has a value range of [-1, 1]. The closer the absolute value is to 1, the stronger the correlation; the closer the absolute value is to 0, the weaker the correlation ...

Objectives Characterise US residents’ exposure to restrictions on sales of flavoured electronic nicotine delivery system ...

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. ...

Example of using correlation coefficients Let’s say that you own three stocks, which we’ll call Company A, Company B, and Company C. All three are growth stocks in the technology space ...

Useful tip on statistical significance The “30 rule” for Pearson correlation suggests that for a correlation to be statistically significant, a sample size of at least 30 is typically needed.