Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Yarilet Perez is an experienced multimedia ...

Now let’s examine the correlation between Chevron’s (CVX) stock, crude oil, and natural gas prices. The correlation coefficient shows the relationship between two variables. A correlation coefficient ...

A statistical measure of the linear relationship between two variables. The range of a correlation co-efficient is from -1 to +1. Variables with a positive correlation move in the same direction while ...

Most studies include multiple response variables, and the dependencies among them are often of great interest. For example, we may wish to know whether the levels of mRNA and the matching protein vary ...

It shows the evolution of the realized correlation coefficients RCorr_τ between sectors and markets. The long-term ...

The range of correlation coefficient of any bivariate discrete random vector with finite or countably infinite values is derived. We show analytically that the normal-transformed discrete bivariate ...

One hundred fifty world leaders, with President Barack Obama as the prime mover, and hundreds of their aides and hangers-on, gathered in Paris for an event called the "2014 United Nations Climate ...