Quality of Life Research, Vol. 15, No. 7 (Sep., 2006), pp. 1179-1190 (12 pages) Background: Fatigue is the most common unrelieved symptom experienced by people with cancer. The purpose of this study ...

Let's use this classical statistics technique -- and some R, of course -- to get to some of the latent variables hiding in your data. Factor analysis is a classical statistics technique that examines ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

In essence, factor analysis in marketing research is changing one marketing variable to see what affect, if any, the change has on the outcome. The change in sales also affects the bottom line of the ...