rethinking / rstanarm code not working on MacM3. found architecture ‘x86_64’, required architecture ‘arm64’
For several years I ran code using the rethinking package (using rstan and rstanarm) on my old MacBook (Intel processor). I have recently upgraded to a MacBookAir M3. I installed the packages I have used before, but when I try to run a model this error comes up multiple times: