Loo_moment_match fails even after saving all pars

[jonah]

Sorry it took so long for someone to reply! I’m not sure about this but I wonder if it’s similar to the error in this other thread:

Comparing complex multivariate models with loo_compare

I have run two complex multivariate models following this tutorial: https://cran.r-project.org/web/packages/brms/vignettes/brms_multivariate.html. The models follow this format: f1 = as.formula('y1~1+var1+var2+var3+(1+var1+var2+var3|GroupID)') f2 = as.formula('y2~1+var1+var2+var3+(1+var1+var2+var3|GroupID)') f3 = as.formula('y1~1+var1+var2+(1+var1+var2+|GroupID)') f4 = as.formula('y2~1+var1+var2+(1+var1+var2+|GroupID)') model_of_interest = brm(f1+f2,data=df,iter=6000,chains=4,cores=4,family="ga…