dr. Ron Wehrens

E-Mail:R.Wehrens@science.ru.nl
Phone : +31 24 3652053
Room: HG02.730

Background:
Ron Wehrens obtained his Ph.D. (1994) at the Department of Analytical Chemistry of the University of Nijmegen. After lecturing at the University of Twente (NL) for a year, he returned to Nijmegen where he holds a position as associate professor. He was visiting scientist at the ETH Zurich (group of prof. E. Pretsch) in 1997, and the University of Washington (group of prof. A. Raftery) in 2002.

Research topics:

Multivariate statistics, classification, clustering.

Publication list

Software

Libraries for R (a.k.a. `GNU S'), a language and environment for statistical computing and graphics:

• CompClus, comparison of clusterings/partitionings.

Currently available from CRAN:

• pls, a multivariate regression toolbox containing PLS and PCR routines. Written together with Bjørn-Helge Mevik.
• kohonen, a toolbox for supervised and unsupervised self-organizing maps.
• wccsom, a toolbox for mapping X-ray powder patterns in a Self-Organizing Map.