Measuring the phase difference between two periodical signals is often required for a science such as meteorology, computing, and communications. An oscilloscope offers a quick and simple way to make ...

Professional managers often observe that during times of market stress (such as in 2008), correlations between asset classes tend to converge. Most asset allocation models are based on certain ...

Mounting evidence suggests that understanding how the brain encodes information and performs computations will require studying the correlations between neurons. The recent advent of recording ...

The product moment correlation coefficient is often used even for ordinal data with only a few scale steps. This procedure may lead to biased results, where the bias depends on the number of scale ...

Investors have long desired to outperform “the market,” but they are currently using a methodology that has become a bit stale. A dynamic and newly preferred method has developed in academia, and it ...

Take a quick look at the two panels of Figure 1 and estimate the correlation for the two funds in both panels. Really, please do it now. What's your gut feel of the correlation of each set? If you are ...

Leslie Kramer is a writer for Institutional Investor, correspondent for CNBC, journalist for Investopedia, and managing editor for Markets Group. Correlation measures the linear relationship between ...

There are some strange correlations out there. For example, a recent article in the Financial Times cited data showing a correlation between share price and CEO manners. Those CEOs who said “please” ...

Traditional inequality measures fail to capture the geographical distribution of income. The failure to consider such distribution implies that, holding income constant, different spatial patterns ...