We often hear the word beta in the context of “beta test”. It’s a way of testing something (e.g. a software program) in a real-world situation to iron out any glitches before rolling it out to the ...

If you have followed my articles Dual-Beta - The Smart Investor's Most Valuable Tool or The Dual-Beta Portfolio, Part 1 - Consumer Defensive Sector, you are fully aware how powerful it can be to be ...

Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Somer G. Anderson is CPA, doctor of accounting, and an ...

Investors understand intuitively that some stocks are riskier than others. The capital asset pricing model attempts to quantify the common perception of risk using a term called beta. By understanding ...

The expectation maximization (EM) algorithm is a popular, and often remarkably simple, method for maximum likelihood estimation in incomplete-data problems. One criticism of EM in practice is that ...