As of January 1, 2020, the Catalina version of the Mac OSX operating system prevents the recommended C++ toolchain installer by @coatless from running. If you try, you will see something like [image] To get around this problem at the moment, you need to follow the instructions starting at “Manual…

That is what is supposed to happen, but Catalina fails in different ways for different people so sometimes there are more steps to get rstan working.

Is there an organized list of ‘if it fails like ____, then try ____’ anywhere? We are going to introduce Stan to students on May 4, and we want them to install it a week prior to that using a document that tells them each step, and each step to take if something goes wrong. Have the failures been d…

The plan is to hope that with CRAN switching back to an XCode based toolchain for R 4.0 in late April that there won’t have to be a Dealing with Catalina V thread.

I hope there is…I’ve given up on gettin rstan to work on my Mac and am running on ubuntu.

You shouldn’t give up. I think we have gotten 100% of Macs with Catalina to work eventually, but hopefully in a couple of weeks it won’t require extra effort.

Also, in the Coatless professor’s instructions… curl -O http://r.research.att.com/libs/gfortran-4.8.2-darwin13.tar.bz2 apparently needs to be curl -OL http://r.research.att.com/libs/gfortran-4.8.2-darwin13.tar.bz2 instead

Hi all, I just bought a new mac laptop with Catalina (10.15.5). I am getting a weird error when running any stan model (in rstan or brms). Error: Error in unserialize(node$con) : error reading from connection Calls: -> slaveLoop -> makeSOCKmaster Error in unserialize(node$con) : error reading …

This is a known issue with RStudio and R4.0 at the moment, you can use the workaround in the below post to get things working again: [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…

Dealing with Catalina III

Interfaces RStan

daaronr May 23, 2020, 10:55am 29

minor thing – need to match the quote types in the above

Topic		Replies	Views
Update MacOS to Catalina or Mojave for least problems with Stan-based software? RStan installation	20	2141	December 13, 2020
Dealing with Catalina IV RStan	30	4709	October 12, 2020
RStudio/RStan not showing errors/warnings on MacOS Catalina RStan	14	2237	March 5, 2020
Dealing with Catalina II RStan rstan	167	19651	June 25, 2020
Error when running Rstan with update RStan	28	3691	March 28, 2020

Dealing with Catalina III

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