Regression analysis, again, establishes a correlation between phenomena. But as the saying goes, correlation is not causation. Even a line that fits the data points closely may not say something ...

Getty Images, Cultura RM Exclusive/yellowdog Linear regression, also called simple regression, is one of the most common techniques of regression analysis ... there is a correlation between ...

Every day I come across investors who think that regression to the mean has nothing to do with correlation ... Now there's a large difference between the expected return and the optimal position ...