Articles published in the December 2003 issue of R News
Editorial
Friedrich Leisch 1
Dimensional reduction for data mapping
Jonathan Edwards and Paul Oman 2
R as a simulation platform in ecological modelling
Thomas Petzoldt 8
Using R for estimating longitudinal student achievement models
J. R. Lockwood, Harold Doran and Daniel F. McCaffrey 17
lmeSplines
Rod Ball 24
Debugging without (too many) tears
Mark Bravington 29
The R2HTML package
Eric Lecoutre 33
R Help Desk: Package management
Uwe Ligges 37
Fitting dose-response curves from bioassays and toxicity testing
Johannes Ranke 7
R Help Desk
Uwe Ligges 37
Programmer’s Niche
Thomas Lumley 40
Recent Events
Krisztina Filep 41
Upcoming Events
R core team mem- bers: 42
Changes in R 1.8.1
R Core Team 43
Changes on CRAN
Kurt Hornik and Friedrich Leisch 43
R Foundation News
Bettina Grün 45