Release Notes: The most notable of the new features are a substantial reorganization of the standard packages, a major update of the grid package, and the fact that underscore can now be used as a regular character in variable names. Many other enhancements were also made.
Release Notes: This releases fixes several bugs and introduces a few minor new features.
Release Notes: This is a major release containing many new features, including several enhancements of the R language, a much improved version for MacOS X, name spaces for S4 classes and methods, a new standard package for maximum likelihood estimation, and rationalization of subscripting for data.frames.
Release Notes: This is a patch version that mainly fixes up an assortment of issues. It also comes with an updated set of recommended packages, fixing a couple of nasty issues in foreign and nlme.
Release Notes: This version features major changes to the methods/class area and uses namespaces much more widely than before. Several routines now use the faster and more modern LAPACK library. A bunch of new functions were added and an assortment of bugs were fixed.
Release Notes: This release fixes an assortment of minor bugs.
Release Notes: This is a minor upgrade, fixing an assortment of minor bugs, and one major one: 1.6.0 introduced a memory leak in deparsing, causing much trouble for people running simulations.
Release Notes: Many new functions were added and bugs fixed. The recommended packages are now included in the main distribution.
Release Notes: This is a patch upgrade, fixing the most important bugs that cropped up after the 1.5.0 release.
Release Notes: New features in this release include improved handling of missing values in character variables, many new functions for time series analysis, improved support for S4 classes and methods, and better tools for package quality assurance..