Almost every day you can find in media commentary that XYZ is causing stocks to fall (or rise). Such definitive statements are common—but what’s almost always missing is statistical proof. And if you ...

In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

This example defines modules to compute correlation coefficients between numeric variables and standardized values for a set of data. /* Module to compute correlations */ start corr; n=nrow(x); /* ...

Depressed people send more email. They spend more time on Gchat. Researchers at the Missouri University of Science and Technology recently assessed some college students for signs of melancholia then ...

ABSTRACT The Deep Extragalactic Evolutionary Probe 2 (DEEP2) project will obtain redshifts for ∼60,000 galaxies in the range \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} ...

Statistical mechanics provides a fundamental framework for understanding how collective phenomena in many-body systems give rise to macroscopic changes in state, known as phase transitions. Research ...

Clinical and prognostic significance of bone marrow involvement in patients with diffuse aggressive B-cell lymphoma. Recently, it has been shown that CD30 antigen expression is associated with a ...

Correlation doesn’t mean what most people think it means. What most people mean when they say correlation is closer to machine learning than it is to the technical definition of correlation. If you ...