Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

This article presents and compares two approaches of principal component (PC) analysis for two-dimensional functional data on a possibly irregular domain. The first approach applies the singular value ...

Forbes contributors publish independent expert analyses and insights. I am a Customer Experience Futurist, Author and Keynote Speaker. Understanding your customers when there’s only a handful isn’t ...

This article is concerned with Bayesian mixture models and identifiability issues. There are two sources of unidentifiability: the well-known likelihood invariance under label switching and the ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. Manufacturing execution systems (MES) have undergone many transformations in the past ...

Conclusive research is a structured data collection technique that provides detailed, factual information that's useful in decision-making. Descriptive marketing research is a form of conclusive ...