I am using RStudio Version 1.2.5042 and R 4.0.0. I have installed RStan. I started by trying to run the schools.stan example in : https://github.com/stan-dev/rstan/wiki/RStan-Getting-Started When I do this, RStudio hangs. When I break-in and “Stop” R, I get the following message: Error in sink(…

Hi and welcome! There could be a number of causes. Some advice here [image] Error in sink(type = "output") : invalid connection RStan I ran into the same error. Setting CXX14=$(BINPREF)g++ -O2 -march=native -mtune=native solved if for me. that may be helpful.

Also here about R4.0 [image] R 4.0, rstan, and you RStan R 4.0 has released, and you are wanting to use rstan. Your models no longer run, you are getting cryptic error messages, and want to post here about it. With R4.0, and the latest compiler configuration, …

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Ara_Winter May 21, 2020, 5:37pm 2

Hi and welcome! There could be a number of causes. Some advice here

that may be helpful.

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