Multivariate analysis is that branch of statistics concerned with examination of several variables simultaneously. This post demonstrates the practical application of several multivariate techniques, using the R programming language and computing environment. Topics include ecological and geographic distance matrices, cluster analysis, the Mantel test, multidimensional scaling, principle components analysis, and discriminant function analysis. The main body of […]

00. A revised and updated version of this post can be found here. 0. Readers of this post may find the Glossary of Statistical Terms helpful. 1. R is a free, open-source, cross-platform statistical and graphical environment that can be obtained from www.r-project.org. 2. Some reasons for using R: R is world-class software for data analysis and visualization. R is free. […]