[Rd] Possible values for R version status

peter dalgaard pdalgd at gmail.com
Mon Mar 23 15:39:57 CET 2015

On 23 Mar 2015, at 14:36 , Duncan Murdoch <murdoch.duncan at gmail.com> wrote:

> On 23/03/2015 9:17 AM, Richard Cotton wrote:
>> Is there a complete list somewhere of the possible values for R's
>> status, as returned by version$status?
>> I know about these values:
>> Stable: ""
>> Devel: "Under development (unstable)"
>> Patched: "Patched"
>> Release candidate: "RC"
>> Alpha: "Alpha"
> I don't think we use "Alpha", I think it's lowercase.  There is also "beta".  You can see the list at http://developer.r-project.org/release-checklist.html, in the lines that describe the version being set.

Yep. The transition cycle on the SVN release branch goes

alpha -> beta -> RC -> "" -> Patched

and the SVN trunk is permanently 

"Under development (unstable)"

Notice that the empty string is used for _official releases_. I wouldn't know in what sense "Stable" would apply to those, but they are typically the ones that 3rd party developers like Linux distributions would pick up and ship.   

Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com

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