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 ...

View post: Walmart's bestselling Lenovo tablet is on sale for just $106, but not for long Correlation measures the relationship of two stocks based on their returns (percentage gains or losses), not ...

Causation and correlation may sound alike but are very different. The former means the root of subsequent events, while the latter refers to an actual or apparent relationship between trends in which ...

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 ...

Crime rates rise with ice cream consumption. Divorce rates rise as people use more margarine. These are classic examples of spurious correlations (Fletcher, 2014). Statistically, these variables move ...

Crime rates rise with ice cream consumption. Divorce rates rise as people use more margarine. These are classic examples of spurious correlations (Fletcher, 2014). Statistically, these variables move ...