This chart is one of the best examples I’ve ever seen detailing how correlation and causation ... When two events are correlated, further study is needed to prove whether or not they are related.

while a zero correlation implies no linear relationship at all. For example, large-cap mutual funds generally have a high positive correlation to the Standard and Poor's (S&P) 500 Index or nearly one.

Here for spreading far and wide is a graphical reminder of the important distinction between correlation ... but the chart is nonetheless a simple and compelling example of how susceptible we ...

But looking deeper in terms of correlation graphs ... They cannot truly be plotted on a graph against one another, and have often deviated at key moments. For example, In August last year ...