[R] Changes between R 3.1 vs 3.0.3

[Ista Zahn]

I would have thought a web search for "R devel changelog" would get
you to the right place... Google gives me
developer.r-project.org/blosxom.cgi/R-devel/NEWS as the first hit,
which looks about right.

best,
Ista

On Mon, Apr 7, 2014 at 1:22 PM, Marc Girondot <marc_grt at yahoo.fr> wrote:
> If there a list of changes between 3.1 and 3.0.3 ?
>
> 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
> operations.
>
> 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
>
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