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Thank you for your responding. ``` devtools::install_github("igraph/rigraph") Downloading GitHub repo igraph/rigraph@HEAD ── R CMD build ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ✔ checking for file ‘/private/var/folders/sj/jdgnsm9n14vgsjctfrk5x2_80000gn/T/RtmpWf22dv/remotesb55050b33daf/igraph-rigraph-a84e7e5/DESCRIPTION’ ... ─ preparing ‘igraph’: (435ms) ✔ checking DESCRIPTION meta-information...

Thank you for your response. I have installed glpk via Brew, but the error appeared again, and the installation still failed for the version 2.0.2.

``` pak::pak("igraph/rigraph") ! Using bundled GitHub PAT. Please add your own PAT using `gitcreds::gitcreds_set()`. ✔ Updated metadata database: 4.96 MB in 8 files. ℹ R 4.3 aarch64-apple-darwin20 packages are missing...

Sorry to bother you. I compile igraph just out of curiosity. I installed the R from [R-4.3.2-arm64.pkg](https://cloud.r-project.org/bin/macosx/big-sur-arm64/base/R-4.3.2-arm64.pkg). Every configuration kept the default settings. The terminal showed as follows: brew install...

Thank you very much. This setting makes it perfect!

If I may, I would like to make a request for the marginal and conditional R squared. Thank you for your consideration.

Thank you for your response. I am afraid the error is still present. When I set effect = “fixedonly” or “includeRE”, everything was ok; however, when setting effect = “integrateoutRE”,...

I just copied the codes for the logistic regression on this [page](https://joshuawiley.com/brmsmargins/articles/mixed-effects-marginaleffects.html) and executed them in Rstudio. attached base packages: [1] stats graphics grDevices utils datasets methods base other attached...

Thank you for your patience and understanding. This setup works. Previously, I only set save_pars = save_pars() 😅. BTW, the rstan backends also work fine.

Thank you for your inspiring reply. Adding estimator = "ML" makes codes run successfully.