An international team of mathematicians, led by Lehigh University statistician Taeho Kim, has introduced an innovative method ...

Many mutual-fund investors strive for diversified portfolios, but few fully grasp a concept that is key to achieving that aim: correlation. Correlation is the extent to which assets perform in ...

I often teach in my statistics class that correlation should not be confused with causation. That is, observing that two variables move together does not necessarily mean that one variable caused the ...