[R] minor version upgrade requires library refresh?

David Winsemius dwinsemius at comcast.net
Sat Feb 15 02:47:16 CET 2014

On Feb 13, 2014, at 11:36 AM, Ross Boylan wrote:

> If R changes from 3.0.1 to 3.0.2, or more generally from m.n.p to m.n.q, 
> is it necessary to refresh libraries to match the version, e.g., with 
> update.packages(checkBuilt=TRUE, ask=FALSE)?  The R Windows FAQ 2.8 says
> "For those with a personal library (folder R\win-library\x.y of your 
> home directory, R\win64-library\x.y on 64-bit builds), you will need to 
> update that too when the minor version of R changes (e.g. from 3.0.2 to 
> 3.1.0)."

When "n" changes you need to update any existing library.

> This suggests that in m.n.q n is the minor version (which would make q 
> the release?), and that the minor version does not change between 3.0.1 
> and 3.0.1.


>  But I'm not sure.
> I'm interested in Unix as well as Windows.
> Thanks.
> Ross Boylan
> 	[[alternative HTML version deleted]]

Please learn to post in plain text.


David Winsemius
Alameda, CA, USA

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