Vector generalized linear and additive models, and associated models
(Reduced-Rank VGLMs, Quadratic RR-VGLMs, Reduced-Rank VGAMs). This
package fits many models and distribution by maximum likelihood
estimation (MLE) or penalized MLE. Also fits constrained ordination
models in ecology.

Homepage:
http://www.stat.auckland.ac.nz/~yee/VGAM/
