Downgrade R version (no issues with Bioconductor installation)

Question

I can't access many Bioconductor packages in R 3.1.1 and I am quite disappointed with that. How can I downgrade from R 3.1.1 to R 3.0.2 or to some other version?

Note that this solution is not good enough for me as I don't have any issues with Bioconductor installation.

In Rstudio it is very easy to switch between R versions up and down — David Arenburg, Jul 23 '14 at 14:52
Bioconductor supports R-3.1.1 so your problem needs to be better described. — Martin Morgan, Jul 23 '14 at 14:58
This question seems very dependent on what operating system you are using — Andrew Cassidy, Jul 23 '14 at 17:38
@agondiken, are you using Rstudio? If so, download externaly R 3.02 and I will post some screenshots — David Arenburg, Jul 24 '14 at 18:48
@DavidArenburg Yep, I am using Rstudio. And I have downloaded R3.02. I noticed that when you download an R version, if you close your R and open a new one, the version changes. However it'd be convenient to know how you change R version without quitting R. — agondiken, Jul 25 '14 at 19:57
Go to: Tools > Global Options > R version > Change... > Choose a specific version of R > [Selecet the version you want] > OK > OK > Apply > Restart R — David Arenburg, Jul 26 '14 at 19:47
@DavidArenburg There is no "R version" under global options... — agondiken, Jul 27 '14 at 13:17
@agondiken, yes there is. It is the first line where the path to where your R version is located — David Arenburg, Jul 27 '14 at 13:19
Eight years later there is (still?) no R version under global options. — markemus, Oct 19 '22 at 10:06

David Arenburg · Accepted Answer · 2019-07-25T13:55:13.033

7

As point by @Deleet, this is FOR WINDOWS ONLY.

For the rest of the platforms, see: https://support.rstudio.com/hc/en-us/articles/200486138-Changing-R-versions-for-RStudio-desktop

Go to: Tools > Global Options > press the "Change" button (marked in Yellow) >

enter image description here

Select the version you want to use:

enter image description here

OK > OK > Apply > Restart R

edited Jul 25 '19 at 13:55

answered Jul 27 '14 at 13:26

David Arenburg

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Hmm, I really don't have this in my Rstudio. Could be a version problem. [My version](https://raw.githubusercontent.com/algons/coursera/master/Screen%20Shot%202014-07-28%20at%2014.50.00.png) – agondiken Jul 28 '14 at 13:52
What Rstudio version do you have? – David Arenburg Jul 28 '14 at 15:48
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The menu is there for Windows, not OSX or Linux. https://support.rstudio.com/hc/en-us/articles/200486138-Changing-R-versions-for-RStudio-desktop – CoderGuy123 May 31 '19 at 15:04

score 0 · Answer 2 · edited Feb 03 '15 at 15:35

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Although your problem is not clear enough, I think it could be similar to my current problem ... I am not able to install or use Bioconductor 3.0 packages inside Rkward 0.6.2 with R 3.1.1, but with previous versions of R there were no problems.

I do not know the reasons for this problem, but when I tried to install Bioconductor inside a console (xterm for example, I am using Debian 8.0) there were no problems at all.

I used

source("http://bioconductor.org/biocLite.R")
biocLite()

and it worked fine.

I hope it is useful for you.

edited Feb 03 '15 at 15:35

Sparkup

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answered Feb 03 '15 at 15:08

eric

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takes ages to install :-| – Muhammad Usman Aug 11 '15 at 19:38

Downgrade R version (no issues with Bioconductor installation)

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