I initially tried to fit a model after updating to Catalina on my Mac, and it didn’t work. I followed the advice by Ben here: Dealing with Catalina III and Stan appeared to be working in R as well as RStudio. However, it is quite buggy in RStudio particularly – the model will compile and sample as…

Stan doesn't work in RStudio with multiple cores on Catalina

Aditya_Kaushik June 30, 2020, 12:09am 2

Appeared to find the solution here: R 4.0.0 and CRAN MacOS binaries?

Be sure to change the R version in that solution to whatever R version you’re using.

1 Like

Topic		Replies	Views
Mac OS Catalina 10.15.4 - Rstan: Execution halted Interfaces	1	1125	May 24, 2020
Unserialize error Modeling	4	756	March 26, 2018
Stan Connection problem Error in unserialize(socklist[[n]]) : error reading from connection General rstan , r , stan , paralellization	1	1220	September 11, 2021
Run multiple stan models in parallel Developers rstan	4	2180	June 13, 2020
Parallel chains not working; different behavior in RStudio and R from Terminal RStan	14	4504	October 22, 2019