R version 4.0 was released on April 24. I would recommend that anyone who can update R do so. You have to reinstall all you packages, so do install.packages("rstan", dependencies = TRUE) And there are a few things that you may have to deal with. Windows You should uninstall previous versions of R…

Yes, except for when using cores=4, but that’s an RStudio bug which there’s a workaround for :) [image] R 4.0.0 and CRAN MacOS binaries RStan I also was having issues with multiple chains running in parallel in MacOS using latest R-4.0.0 and RStan. I’ve found out that th…

Daniel - I don’t know if you have solved this problem already, but since I came across your post when looking for a solution to exactly the same issue, I thought I’d share what worked for me: putting the following in your Makevars file. Hope it solves your problem. CFLAGS=-isysroot /Library/Develop…

There’s a lot of results when googling which seem to deal with the OSX side of the issue. I don’t use OSX but the underlying issues is described at https://github.com/Andersbakken/rtags/issues/937#issuecomment-293459813 and https://github.com/cbcrg/tcoffee/issues/7#issuecomment-626081446 . The issu…

Hi, I’ve installed R-4.0.0 and R-3.6.3 on Linux-Ubuntu 20.04 following the guide: https://docs.rstudio.com/resources/install-r/ Where I changed the curl download from ubuntu-1604 to ubuntu-2004. I can start both within Rstudio and with R-4.0.0 in Rstudio I ran the advised code in OP but ended up …

On linux, you should be okay back to R 3.4.x and even previous versions if your C++ compiler supports the C++14 standard (although you may have to adjust the required version of R in the DESCRIPTION file).

[image] Ben_Stanley: CFLAGS=-isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk CCFLAGS=-isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk CXXFLAGS=-isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk CPPFLAGS=-isysroot /Library/Developer/CommandLineTools/SDKs/Ma…

Dealing with R 4.0

Interfaces RStan

anon75146577 May 6, 2020, 1:30am 25

You can probably ask @martinmodrak to pin it!

Problem with running brms Mac OS X with R 4.0

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Stan not running after updating to r version 4.0.2 and stan updated from 2.19.3 to 2.21 RStan	72	6819	September 20, 2020
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Error in compileCode(f, code, language = language, verbose = verbose) : Compilation ERROR, function(s)/method(s) not created! Again Interfaces rstan	59	7713	May 17, 2022
Modeling failed Warnings: 'C:/Users/R-34~1.3/rtools40/usr/mingw_/bin/g++' not found Errors: Multiple results for CXX14FLAGS found, something is wrong.FALSE RStan rstan , installation	73	4049	March 15, 2023

Dealing with R 4.0

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