Unable to get Stan working with R 3.5.1 and Catalina 10.15.2

[torkar]

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Dealing with Catalina III

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 Install Guide” at https://thecoatlessprofessor.com/programming/cpp/r-compiler-tools-for-rcpp-on-macos/ If you have questions, follow up below. Then, you will probably need to do a remove.packages(…