This is a preview. Log in through your library . Abstract Correlation matrices play a key role in many multivariate methods (e.g., graphical model estimation and factor analysis). The current state-of ...

In this tutorial we begin our investigation of multivariate statistics using correlation and scatterplots. The idea is that we have two continuous variables and we want to examine the strength of the ...

In this tutorial we begin our investigation of multivariate statistics using correlation and scatterplots. The idea is that we have two continuous variables and we want to examine the strength of the ...

Testing correlation structures has attracted extensive attention in the literature due to both its importance in real applications and several major theoretical challenges. The aim of this paper is to ...

A website set up by a student at Harvard teaches us to look carefully at statistics. And it's fun at the same time. "Margarine consumption linked to divorce." If you saw that headline on a newspaper ...