@millerdl @noamross Thanks Dave!
Yup so what Dave said about extending to more complicated models - there's dynamical systems support in greta with https://github.com/greta-dev/greta.dynamics
The TensorFlow back end also means it has nice speedups for some types of model, and scales well.
We are working on making more distributions accessible in greta (https://github.com/greta-dev/greta.distributions) - as well as thinking about making it easier for users to add and test new distributions. I haven't done a side-by-side comparison of what is in STAN and greta, but if there are any that are missing for you I'd be happy to work on adding them :)
Obviously I'm biased, but the thing that I really enjoy with greta is you get to write R code to fit and design models, and we have tried hard to provide informative error messages for the user.
There's more we are going to do with greta in 2025, one thing I'm particularly excited about is the marginalisation interface that Golding has designed.
Let me know if there's things you want to do or if I can help, Noam!
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