[R] How to determine R version?

[Berend Hasselman]

On 22-09-2012, at 19:32, Marius Hofert wrote:

> Hi,
> 
> What's the best approach to determine if a user uses an R version before 2.15.1
> patched?
> I know that the sessionInfo() command provides details, but I'm not sure how
> the output of sessionInfo() is best used to determine R versions. This seems to
> work, but a) there is certainly a better way and b) I'm not sure where the
> "patched" will appear in the string. 
> 
> if(sessionInfo()$R.version$minor < "15.1") ...

?getRversion 

is an option

Berend