Correlation analysis in portfolio management design is overrated. There isn’t much benefit derived from relying on low correlation among asset classes to achieve excess return. The best way to use ...

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 ...

Wiley is a global provider of content and content-enabled workflow solutions in areas of scientific, technical, medical, and scholarly research; professional development; and education. Our core ...

Here’s the cure to being duped again. It’s a site called Spurious Correlations by Tyler Vigen–or more accurately, Tyler Vigen’s software. He created code to spot correlations in public data sets and ...

Scatter diagrams are used to explore patterns between two sets of data. The table shows the results of eight students' maths and science marks in an assessment. Construct a scatter graph that ...

Scientists often use graphs to represent a relationship between two variables. Generally, if there is a correlation between two variables, then they are usually related in some way. In an exam, you ...

Scientists are constantly on the lookout for links between data to try and prove certain theories - but just because two sets of statistics match up, it doesn't necessarily mean they're are closely ...