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 ...

The math is pretty complicated. But here is a simple explanation to grasp the term. Diversification is an often-used buzzword in portfolio planning, but what does it really mean? Are you diversified ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Dynamic Image Analysis (DIA) has become a widely used method for the routine analysis of the size and shape of particles within numerous industries. This article will explain how DIA successfully ...

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 ...