Articles published in the June 2004 issue of R News
Editorial
Thomas Lumley 1
The decision to use R
Marc Schwartz 2
The ade4 package — I: One-table methods
Daniel Chessel, Anne B. Dufour and Jean Thioulouse 5
Qcc: An R package for quality control charting and statistical process control
Luca Scrucca 11
Least squares calculations in R
Douglas Bates 17
Tools for interactively exploring R packages
Jianhua Zhang and Robert Gentleman 20
The survival package
Thomas Lumley 26
R Help Desk: Date and time classes in R
Gabor Grothendieck and Thomas Petzoldt 29
Programmers’ Niche: A simple class, in S3 and S4
Thomas Lumley 33
useR! 2004
John Fox 28
R Help Desk
Gabor Grothendieck and Thomas Petzoldt 29
Programmers’ Niche
Thomas Lumley 33
Changes in R
R Core Team 36
Changes on CRAN
Kurt Hornik 41
R Foundation News
Bettina Grün 46