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?

No

Answer 1

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.

Answer 2

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

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

Select the version you want to use:

OK > OK > Apply > Restart R