Why does R ignore ~/.Rprofile

Why isn't R reading my ~/.Rprofile file?

I'm pretty sure this issue arose when I upgraded from R 3.4 to 3.5. I never had this problem with 3.4.

Here is my ~/.Rprofile:

  repos = c(CRAN = "https://cran.rstudio.com/")

I would expect options()$repos to give:

> options()$repos

But instead I get:

> options()$repos

This is my session info:

> sessionInfo()
R version 3.5.1 (2018-07-02)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS High Sierra 10.13.6

Matrix products: default
BLAS: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRblas.0.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRlapack.dylib

[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] compiler_3.5.1

This ~/.Rprofile won't be read if there is a .Rprofile in you project directory / working directory when launching R or if R executable is launched using --vanilla option or similar. Have you checked those ?

Otherwise, it should be read. For reference, a great post on R startup.


More info in this chapter, as well:


Thank you for the excellent links!

I think I must have had an .Rprofile file in my working directory that was masking the one in my home folder.

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