Another thing that you can try is changing the Path. Make sure the PATH environment variable has the path to R 3.0 before R 2.15.3 in the string.



Regards,

Indrajit





On Thu, 25 Apr 2013 22:10:52 +0530  wrote

>a) See FAQ 2.17







b) Methods for configuring operating systems are off topic here. I will say there is a REGEDIT program in Windows, but there are potential permissions complications (you may not have them) and possible collateral damage (don't touch it if you don't understand it) that mean you should study up on this topic with an appropriate resource (book, forum, expert, system administrator, etc.) before attempting it.



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Dimitri Liakhovitski  wrote:







>Brian, how do I remove the relevant old Registry entries?



>Thank you!



>Dimitri



>



>



>On Thu, Apr 25, 2013 at 10:29 AM, Prof Brian Ripley



>wrote:



>



>> On 25/04/2013 14:00, Duncan Murdoch wrote:



>>



>>> On 13-04-25 8:33 AM, Dimitri Liakhovitski wrote:



>>>



>>>> Hello!



>>>>



>>>> I have Windows 7 Enterprise and two versions of R installed: 2.15.3



>and



>>>> 3.0.0.



>>>> Before I had R 3.0 I made it a setting that all .RData files - when



>I



>>>> double-click on them - were opened by R 2.15.3.



>>>> Now I want them to be opened by R 3.0 instead of R 2.15.3 (but I



>don't



>>>> want



>>>> to remove R 2.15.3. yet).



>>>>



>>>> I right-click on some .RData file, select "Open with" - "Choose



>default



>>>> program" and then click on "Browse".



>>>>



>>>> I browse to the folder where my R 3.0 is installed, then to the



>folder



>>>> "bin", then to the folder "x64" and select "Rgui.exe".



>>>> However, when R opens - or after I shut R down and then



>double-click on



>>>> some .RData file and R opens, it is again R 2.15.3, not R3.0.



>>>>



>>>> What am I doing wrong?



>>>>



>>>> Of course, when I open R 3.0 directly, then it opens no problem.



>>>>



>>>



>>> This is really a question about Windows 7, not about R, but I would



>>> guess you aren't telling it to make your choice permanent, or



>perhaps



>>> you are not allowed by your administrator to make permanent changes



>to



>>> file associations. You should ask for local help.



>>>



>>



>> We've encountered this for our student accounts, and think it is a



>bug in



>> Windows 7. If you remove the relevant old Registry entries first it



>should



>> work.



>>



>>



>> --



>> Brian D. Ripley,         ripley@stats.ox.ac.uk



>> Professor of Applied Statistics, 



>http://www.stats.ox.ac.uk/~**ripley/



>> University of Oxford,       Tel: +44 1865 272861 (self)



>> 1 South Parks Road,           +44 1865 272866 (PA)



>> Oxford OX1 3TG, UK        Fax: +44 1865 272595



>>







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