Learn about the negative correlation coefficient, its significance, comparison with other coefficients, and real-world ...

Stock prices and corporate earnings move closely together over long horizons, a relationship confirmed by more than a century ...

In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

Correlation doesn't imply causation. You've probably heard that before. It's a true statement that's important in statistical analysis—if more tall people own cats, that doesn't mean that cats cause ...

Forbes contributors publish independent expert analyses and insights. I write about the broad intersection of data and society. As machine learning has expanded beyond its roots in the worlds of ...

The correlation function is a useful signal-analysis tool that engineers often overlook. Its formidable equation, which you have probably not thought about since your undergraduate signals and systems ...