[R] Changes between R 3.1 vs 3.0.3
murdoch.duncan at gmail.com
Mon Apr 7 20:28:30 CEST 2014
On 07/04/2014 1:22 PM, Marc Girondot wrote:
> If there a list of changes between 3.1 and 3.0.3 ?
If you have 3.1.0rc installed, look in the HTML help system for the NEWS
item. If you don't have it installed, a copy of the nightly news is on
CRAN under "new features in this version" on
<http://cran.r-project.org/bin/windows/base/rtest.html>. (The actual
URL changes sometimes; currently it is
The RSS feed that Ista pointed you to will tell you about changes to
that file (i.e. sort of second differences to R).
> For example, when using levels(xxxx), if xxxx was not a factor, in 3.0.3
> it was changed as a factor but in 3.1 RC it returns NULL.
> Same for automatic conversion in numeric for characters used in algebric
> New way is more strict and is better in my point of view. It will
> prevent unwanted side effect in code.
> Thanks a lot
> Marc Girondot
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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