Multivariate Regression

In DSC, a good piece explaining multivariate regression.  Not very technical, addresses both the data and the results.  Every manager should understand this simple approach.   A very common kind of problem you run into.   A good thing to walk through with decision makers and their real data.   Also leads you naturally to the next question, how do I determine which variables create the best predictive model?   The next step.

Principal Component Analysis

What is Multivariate Analysis? Part II: Principal Component Analysis | bicorner.com   by Jeffrey Strickland.
Part of a well done series on multivariate analysis.  This latest part on Principal Component Analysis (PCA).   Nicely done, fairly nontechnical introductory description.  A method commonly used in CPG and retail and elsewhere.  You are trying to find the best (principal) representation of some result in a multivariate dataset.